Add 20/7 and 12/56
1st number: 2 6/7, 2nd number: 12/56
20/7 + 12/56 is 43/14.
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,
20/7 = 20 × 8/7 × 8 = 160/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
12/56 = 12 × 1/56 × 1 = 12/56 - Add the two like fractions:
160/56 + 12/56 = 160 + 12/56 = 172/56 - 172/56 simplified gives 43/14
- So, 20/7 + 12/56 = 43/14
In mixed form: 31/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/7+12/56 20/7+24/56 20/14+12/56 60/7+12/56 20/7+36/56 20/21+12/56 20/7+60/56 20/35+12/56 20/7+84/56 20/49+12/56