Add 75/7 and 56/20
1st number: 10 5/7, 2nd number: 2 16/20
75/7 + 56/20 is 473/35.
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,
75/7 = 75 × 20/7 × 20 = 1500/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
56/20 = 56 × 7/20 × 7 = 392/140 - Add the two like fractions:
1500/140 + 392/140 = 1500 + 392/140 = 1892/140 - 1892/140 simplified gives 473/35
- So, 75/7 + 56/20 = 473/35
In mixed form: 1318/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/14+56/20 75/7+56/40 75/21+56/20 75/7+56/60 75/35+56/20 75/49+56/20