Adding and Subtracting Similar Fraction_G5

Adding and Subtracting Similar Fraction

by Venus Daydayan

​Let's Recall

Poll

• $$\frac{9}{19}$$  

• $$\frac{18}{9}$$  

• $$\frac{19}{9}$$  

​Solution:

Multiple Choice

Change $$4\ \frac{2}{5}$$  to improper fraction

• $$\frac{20}{5}$$  

• $$\frac{21}{5}$$  

• $$\frac{22}{5}$$  

Multiple Choice

Change $$3\ \frac{1}{6}$$  to improper fraction

• $$\frac{18}{6}$$  

• $$\frac{19}{6}$$  

• $$19$$  

Multiple Choice

Change $$10\ \frac{2}{7}$$  to improper fraction

• $$\frac{19}{7}$$  

• $$\frac{72}{7}$$  

• $$\frac{71}{7}$$  

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Multiple Choice

Change  $$\frac{48}{7}$$  to mixed number

• $$6\ \frac{6}{7}$$  

• $$6\ \frac{5}{7}$$  

• $$6\ \frac{4}{7}$$  

Multiple Choice

Change  $$\frac{64}{8}$$  to mixed number

• $$8\ \frac{1}{8}$$  

• $$8$$  

• $$8\ \frac{2}{8}$$  

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Multiple Choice

Reduced the fraction by finding the unknown number

$$\frac{3}{15}=\frac{1}{n}$$  

• 2

• 4

• 5

Multiple Choice

Reduced the fraction by finding the unknown number

$$\frac{10}{12}=\frac{n}{6}$$  

• 4

• 5

• 7

Multiple Choice

Simplify: $$\frac{28}{100}$$  

• $$\frac{12}{25}$$  

• $$\frac{13}{25}$$  

• $$\frac{7}{25}$$  

• $$\frac{6}{25}$$  

Now you are ready to add and subtract fractions​.

if you are not ready yet please practice more...​

​Add

​Take the sum of the numerators; 3 + 5 +9 +4 = 21

​Write the sum over the common denominator

​

​Simplify the sum:

​Subtract

Subtract: 15 - 11 = 4

​simplify the difference:

​Simplifying the result either reducing a fraction to its lowest terms or changing an improper fraction to a mixed number with the fraction also in the lowest terms.

Multiple Choice

Find the sum. reduced the answer to lowest terms.

$$\frac{2}{8}+\frac{2}{8}$$  

• $$\frac{4}{8}$$  

• $$\frac{1}{2}$$  

• $$\frac{1}{3}$$  

Multiple Choice

Find the sum. Reduced the answer to lowest terms if possible.

$$\frac{1}{3}+\frac{2}{3}$$  

• $$1$$  

• $$\frac{1}{2}$$  

• $$\frac{3}{6}$$  

Multiple Choice

Find the sum. Reduced the answer to lowest terms if possible.

$$\frac{3}{7}+\frac{1}{7}+\frac{2}{7}$$  

• $$\frac{5}{7}$$  

• $$\frac{6}{7}$$  

• $$1$$  

Multiple Choice

Find the sum. Reduced the answer to lowest terms if possible.

$$\frac{3}{11}+\frac{4}{11}+\frac{2}{11}$$  

• $$\frac{5}{11}$$  

• $$\frac{8}{11}$$  

• $$\frac{9}{11}$$  

Multiple Choice

Find the difference. Reduced the answer to lowest terms if possible.

$$\frac{9}{14}-\frac{3}{14}$$  

• $$\frac{6}{14}$$  

• $$\frac{3}{14}$$  

• $$\frac{3}{7}$$  

Multiple Choice

Find the difference. Reduced the answer to lowest terms if possible.

$$\frac{7}{8}-\frac{2}{8}$$  

• $$\frac{6}{8}$$  

• $$\frac{5}{8}$$  

• $$\frac{3}{8}$$  

​Find the sum of

​Add the whole numbers first; 6 +11 = 17

​Add the fractions:

​Combine the whole number and the fraction sum;

Multiple Choice

Find the sum:  $$6+4\ \frac{3}{5}+2\ \frac{1}{5}$$  

• $$12\ \frac{4}{5}$$  

• $$12\ \frac{5}{4}$$  

• $$12\ \frac{1}{5}$$  

Multiple Choice

Find the sum:  $$6+11\ +1\ \frac{1}{6}$$  

• $$17\ \frac{1}{6}$$  

• $$18\ \frac{1}{4}$$  

• $$18\ \frac{1}{6}$$  

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Multiple Choice

$$8-\frac{5}{12}$$  Simplify your answer.

• $$\frac{91}{12}$$  

• $$7\ \frac{7}{12}$$  

• $$5\ \frac{7}{12}$$  

Multiple Choice

Find the difference between  $$8\ \frac{5}{12}\ and\ 2\ \frac{7}{12}$$  . Simplify your answer.

• $$5\ \frac{10}{12}$$  

• $$5\ \frac{5}{6}$$  

• $$5\ \frac{1}{3}$$  

Poll

Perform the indicated operations:

$$36-12\ \frac{2}{5}+7+\frac{4}{5}$$  

• $$30\ \frac{2}{5}$$  

• $$31\ \frac{2}{5}$$  

• $$41\ \frac{2}{5}$$