Add 96/12 and 15/21
1st number: 8 0/12, 2nd number: 15/21
96/12 + 15/21 is 61/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
96/12 = 96 × 7/12 × 7 = 672/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
15/21 = 15 × 4/21 × 4 = 60/84 - Add the two like fractions:
672/84 + 60/84 = 672 + 60/84 = 732/84 - 732/84 simplified gives 61/7
- So, 96/12 + 15/21 = 61/7
In mixed form: 85/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/12+30/21 96/24+15/21 96/12+15/42 96/12+45/21 96/36+15/21 96/12+15/63 96/12+75/21 96/60+15/21 96/84+15/21