Add 70/16 and 21/70
1st number: 4 6/16, 2nd number: 21/70
70/16 + 21/70 is 187/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 70 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 16 × 35 = 560,
70/16 = 70 × 35/16 × 35 = 2450/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
21/70 = 21 × 8/70 × 8 = 168/560 - Add the two like fractions:
2450/560 + 168/560 = 2450 + 168/560 = 2618/560 - 2618/560 simplified gives 187/40
- So, 70/16 + 21/70 = 187/40
In mixed form: 427/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/16+42/70 70/32+21/70 70/16+63/70 70/48+21/70 70/80+21/70