Add 56/35 and 42/20
1st number: 1 21/35, 2nd number: 2 2/20
56/35 + 42/20 is 37/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 35 × 4 = 140,
56/35 = 56 × 4/35 × 4 = 224/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
42/20 = 42 × 7/20 × 7 = 294/140 - Add the two like fractions:
224/140 + 294/140 = 224 + 294/140 = 518/140 - 518/140 simplified gives 37/10
- So, 56/35 + 42/20 = 37/10
In mixed form: 37/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/35+84/20 56/70+42/20 56/35+42/40 56/35+42/60