Add 15/7 and 3/56
1st number: 2 1/7, 2nd number: 3/56
15/7 + 3/56 is 123/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
15/7 = 15 × 8/7 × 8 = 120/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
3/56 = 3 × 1/56 × 1 = 3/56 - Add the two like fractions:
120/56 + 3/56 = 120 + 3/56 = 123/56 - So, 15/7 + 3/56 = 123/56
In mixed form: 211/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/7+3/56 15/7+6/56 15/14+3/56 45/7+3/56 15/7+9/56 15/21+3/56 75/7+3/56 15/7+15/56 15/35+3/56 15/7+21/56 15/49+3/56