Add 96/84 and 15/21
1st number: 1 12/84, 2nd number: 15/21
96/84 + 15/21 is 13/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
96/84 = 96 × 1/84 × 1 = 96/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
15/21 = 15 × 4/21 × 4 = 60/84 - Add the two like fractions:
96/84 + 60/84 = 96 + 60/84 = 156/84 - 156/84 simplified gives 13/7
- So, 96/84 + 15/21 = 13/7
In mixed form: 16/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/84+30/21 96/84+15/42 96/84+45/21 96/84+15/63 96/84+75/21