Add 70/48 and 21/56
1st number: 1 22/48, 2nd number: 21/56
70/48 + 21/56 is 11/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 56 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
70/48 = 70 × 7/48 × 7 = 490/336 - Likewise, for the 2nd fraction, since 56 × 6 = 336,
21/56 = 21 × 6/56 × 6 = 126/336 - Add the two like fractions:
490/336 + 126/336 = 490 + 126/336 = 616/336 - 616/336 simplified gives 11/6
- So, 70/48 + 21/56 = 11/6
In mixed form: 15/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/48+42/56 70/96+21/56 70/48+63/56