Add 70/15 and 9/56
1st number: 4 10/15, 2nd number: 9/56
70/15 + 9/56 is 811/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
70/15 = 70 × 56/15 × 56 = 3920/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
9/56 = 9 × 15/56 × 15 = 135/840 - Add the two like fractions:
3920/840 + 135/840 = 3920 + 135/840 = 4055/840 - 4055/840 simplified gives 811/168
- So, 70/15 + 9/56 = 811/168
In mixed form: 4139/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/15+18/56 70/30+9/56 70/15+27/56 70/45+9/56 70/15+45/56 70/75+9/56 70/15+63/56