Add 20/56 and 15/8
1st number: 20/56, 2nd number: 1 7/8
20/56 + 15/8 is 125/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
20/56 = 20 × 1/56 × 1 = 20/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
15/8 = 15 × 7/8 × 7 = 105/56 - Add the two like fractions:
20/56 + 105/56 = 20 + 105/56 = 125/56 - So, 20/56 + 15/8 = 125/56
In mixed form: 213/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/56+15/8 20/56+30/8 20/56+15/16 60/56+15/8 20/56+45/8 20/56+15/24 20/56+75/8 20/56+15/40 20/56+15/56