Add 70/20 and 21/96
1st number: 3 10/20, 2nd number: 21/96
70/20 + 21/96 is 119/32.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 96 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 20 × 24 = 480,
70/20 = 70 × 24/20 × 24 = 1680/480 - Likewise, for the 2nd fraction, since 96 × 5 = 480,
21/96 = 21 × 5/96 × 5 = 105/480 - Add the two like fractions:
1680/480 + 105/480 = 1680 + 105/480 = 1785/480 - 1785/480 simplified gives 119/32
- So, 70/20 + 21/96 = 119/32
In mixed form: 323/32
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20+42/96 70/40+21/96 70/20+63/96 70/60+21/96