Add 20/56 and 9/7
1st number: 20/56, 2nd number: 1 2/7
20/56 + 9/7 is 23/14.
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,
20/56 = 20 × 1/56 × 1 = 20/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
9/7 = 9 × 8/7 × 8 = 72/56 - Add the two like fractions:
20/56 + 72/56 = 20 + 72/56 = 92/56 - 92/56 simplified gives 23/14
- So, 20/56 + 9/7 = 23/14
In mixed form: 19/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/56+9/7 20/56+18/7 20/56+9/14 60/56+9/7 20/56+27/7 20/56+9/21 20/56+45/7 20/56+9/35 20/56+63/7 20/56+9/49