Add 56/7 and 50/20
1st number: 8 0/7, 2nd number: 2 10/20
56/7 + 50/20 is 21/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 7 × 20 = 140,
56/7 = 56 × 20/7 × 20 = 1120/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
50/20 = 50 × 7/20 × 7 = 350/140 - Add the two like fractions:
1120/140 + 350/140 = 1120 + 350/140 = 1470/140 - 1470/140 simplified gives 21/2
- So, 56/7 + 50/20 = 21/2
In mixed form: 101/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/14+50/20 56/7+50/40 56/21+50/20 56/7+50/60 56/35+50/20 56/49+50/20