Add 56/28 and 15/35
1st number: 2 0/28, 2nd number: 15/35
56/28 + 15/35 is 17/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
56/28 = 56 × 5/28 × 5 = 280/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
15/35 = 15 × 4/35 × 4 = 60/140 - Add the two like fractions:
280/140 + 60/140 = 280 + 60/140 = 340/140 - 340/140 simplified gives 17/7
- So, 56/28 + 15/35 = 17/7
In mixed form: 23/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/28+30/35 56/28+15/70 56/28+45/35 56/84+15/35 56/28+75/35