Add 15/56 and 12/7
1st number: 15/56, 2nd number: 1 5/7
15/56 + 12/7 is 111/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
15/56 = 15 × 1/56 × 1 = 15/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
12/7 = 12 × 8/7 × 8 = 96/56 - Add the two like fractions:
15/56 + 96/56 = 15 + 96/56 = 111/56 - So, 15/56 + 12/7 = 111/56
In mixed form: 155/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/56+12/7 15/56+24/7 15/56+12/14 45/56+12/7 15/56+36/7 15/56+12/21 75/56+12/7 15/56+60/7 15/56+12/35 15/56+84/7 15/56+12/49