Add 70/7 and 21/16
1st number: 10 0/7, 2nd number: 1 5/16
70/7 + 21/16 is 181/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 7 × 16 = 112,
70/7 = 70 × 16/7 × 16 = 1120/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
21/16 = 21 × 7/16 × 7 = 147/112 - Add the two like fractions:
1120/112 + 147/112 = 1120 + 147/112 = 1267/112 - 1267/112 simplified gives 181/16
- So, 70/7 + 21/16 = 181/16
In mixed form: 115/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/7+42/16 70/14+21/16 70/7+21/32 70/7+63/16 70/21+21/16 70/7+21/48 70/35+21/16 70/7+21/80 70/49+21/16