Add 70/21 and 9/16
1st number: 3 7/21, 2nd number: 9/16
70/21 + 9/16 is 187/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
70/21 = 70 × 16/21 × 16 = 1120/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
9/16 = 9 × 21/16 × 21 = 189/336 - Add the two like fractions:
1120/336 + 189/336 = 1120 + 189/336 = 1309/336 - 1309/336 simplified gives 187/48
- So, 70/21 + 9/16 = 187/48
In mixed form: 343/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/21+18/16 70/42+9/16 70/21+9/32 70/21+27/16 70/63+9/16 70/21+9/48 70/21+45/16 70/21+9/80 70/21+63/16