Add 28/42 and 16/7
1st number: 28/42, 2nd number: 2 2/7
28/42 + 16/7 is 62/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
28/42 = 28 × 1/42 × 1 = 28/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
16/7 = 16 × 6/7 × 6 = 96/42 - Add the two like fractions:
28/42 + 96/42 = 28 + 96/42 = 124/42 - 124/42 simplified gives 62/21
- So, 28/42 + 16/7 = 62/21
In mixed form: 220/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/42+16/7 28/42+32/7 28/84+16/7 28/42+16/14 84/42+16/7 28/42+48/7 28/42+16/21 28/42+80/7 28/42+16/35 28/42+16/49