Fraction Operations and Mixed Numbers

Simplifying the fractions

Rewriting the problem vertically

Adding the whole numbers

Finding the least common multiple

To convert mixed numbers to improper fractions

To add the fractional parts

To add the whole numbers

To simplify the fractions

14

21

28

35

Multiply both numerator and denominator by 7

Multiply both numerator and denominator by 3

Multiply both numerator and denominator by 21

Multiply both numerator and denominator by 2

5/21

4/21

6/21

7/21

Multiply both numerator and denominator by 21

Multiply both numerator and denominator by 7

Multiply both numerator and denominator by 3

Multiply both numerator and denominator by 2

15/21

14/21

13/21

12/21

19/21

18/21

20/21

21/21

9

8

11

10

It needs to be simplified further

It can be converted to a mixed number

No

Yes