Add 70/21 and 42/96
1st number: 3 7/21, 2nd number: 42/96
70/21 + 42/96 is 181/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 96 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 21 × 32 = 672,
70/21 = 70 × 32/21 × 32 = 2240/672 - Likewise, for the 2nd fraction, since 96 × 7 = 672,
42/96 = 42 × 7/96 × 7 = 294/672 - Add the two like fractions:
2240/672 + 294/672 = 2240 + 294/672 = 2534/672 - 2534/672 simplified gives 181/48
- So, 70/21 + 42/96 = 181/48
In mixed form: 337/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/21+84/96 70/42+42/96 70/63+42/96