Fractions

Fractions

By Mr Ghozi

Improper Fraction

Simplest Form

Simplest and Improper Fractions Form

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Multiple Choice

Convert to improper fraction $$6\ \frac{8}{11}=...$$  

• $$\frac{8}{11}$$  

• $$\frac{74}{11}$$  

• $$\frac{66}{11}$$  

• $$\frac{58}{11}$$  

• Key: Make denominator same, you can find the LCM​

• Don't forget multiply the numerator ​by same number on denominator

• For Mixed Number, you can operate each part​

Desc

Same way

Adding and Subtracting Fractions

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Multiple Choice

$$\frac{2}{5}+\frac{3}{10}=...$$  

• $$\frac{7}{10}$$  

• $$\frac{5}{15}$$  

• $$\frac{6}{50}$$  

• $$\frac{7}{20}$$  

Multiple Choice

$$4\frac{5}{6}+5\frac{3}{5}=...$$  

• $$\frac{43}{30}$$  

• $$9\frac{5}{6}$$  

• $$10\frac{13}{30}$$  

• $$1\ \frac{18}{30}$$  

Multiple Choice

$$\frac{7}{9}-\frac{1}{4}=...$$  

• $$\frac{37}{36}$$  

• $$\frac{19}{36}$$  

• $$\frac{6}{5}$$  

• $$\frac{8}{13}$$  

• Numerator times numerator, denominator times denominator

• If there is(are) mixed number, convert to improper fraction first​

Point

Multiply

Multiplying Fractions

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Multiple Choice

$$1\frac{1}{2}\times3\frac{2}{3}=...$$  

• $$\frac{11}{3}$$  

• $$5\frac{1}{2}$$  

• $$3\frac{2}{6}$$  

• $$3\frac{1}{2}$$  

• Reciprocal/Inverse form just swap denominator and numerator

• If there is/are mixed number, convert to improper fractions first​

Point​

Divide

Dividing Fractions

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Multiple Select

$$2\frac{1}{4}\div1\frac{2}{3}=...$$  

• $$1\frac{7}{20}$$  

• $$\frac{15}{4}$$  

• $$\frac{27}{20}$$  

• $$3\frac{3}{4}$$  

Multiple Select

Wong is making a shelf from two pieces of wood. The first piece is $$1\frac{1}{4}\ m$$   long, the second is $$1\frac{4}{5}$$   long. He fixes them on a wall. What is the total length of the shelf?

• $$\frac{1}{20}$$   

• $$\frac{61}{20}$$  

• $$3\frac{1}{20}$$  

• $$\frac{21}{20}$$  

Multiple Choice

Thoriq has a rectangular garden. The length of garden is $$20\frac{5}{7}\ m$$  . The width of garden is $$10\frac{1}{2}\ m$$  . Calculate the area of Thoriq's Garden in $$m^2$$  !

• $$212$$  

• $$211\frac{1}{3}$$  

• $$212\frac{1}{2}$$  

• $$210\frac{5}{7}$$