Add 21/7 and 12/96
1st number: 3 0/7, 2nd number: 12/96
21/7 + 12/96 is 25/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 96 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 7 × 96 = 672,
21/7 = 21 × 96/7 × 96 = 2016/672 - Likewise, for the 2nd fraction, since 96 × 7 = 672,
12/96 = 12 × 7/96 × 7 = 84/672 - Add the two like fractions:
2016/672 + 84/672 = 2016 + 84/672 = 2100/672 - 2100/672 simplified gives 25/8
- So, 21/7 + 12/96 = 25/8
In mixed form: 31/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/7+12/96 21/7+24/96 21/14+12/96 63/7+12/96 21/7+36/96 21/7+60/96 21/35+12/96 21/7+84/96 21/49+12/96