Add 4/15 and 63/56
1st number: 4/15, 2nd number: 1 7/56
4/15 + 63/56 is 167/120.
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,
4/15 = 4 × 56/15 × 56 = 224/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
63/56 = 63 × 15/56 × 15 = 945/840 - Add the two like fractions:
224/840 + 945/840 = 224 + 945/840 = 1169/840 - 1169/840 simplified gives 167/120
- So, 4/15 + 63/56 = 167/120
In mixed form: 147/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/15+63/56 4/30+63/56 12/15+63/56 4/45+63/56 20/15+63/56 4/75+63/56 28/15+63/56