Add 70/56 and 9/72
1st number: 1 14/56, 2nd number: 9/72
70/56 + 9/72 is 11/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
70/56 = 70 × 9/56 × 9 = 630/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
9/72 = 9 × 7/72 × 7 = 63/504 - Add the two like fractions:
630/504 + 63/504 = 630 + 63/504 = 693/504 - 693/504 simplified gives 11/8
- So, 70/56 + 9/72 = 11/8
In mixed form: 13/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/56+18/72 70/56+27/72 70/56+45/72 70/56+63/72