Add 56/15 and 20/25
1st number: 3 11/15, 2nd number: 20/25
56/15 + 20/25 is 68/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 25 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 15 × 5 = 75,
56/15 = 56 × 5/15 × 5 = 280/75 - Likewise, for the 2nd fraction, since 25 × 3 = 75,
20/25 = 20 × 3/25 × 3 = 60/75 - Add the two like fractions:
280/75 + 60/75 = 280 + 60/75 = 340/75 - 340/75 simplified gives 68/15
- So, 56/15 + 20/25 = 68/15
In mixed form: 48/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/15+40/25 56/30+20/25 56/15+20/50 56/15+60/25 56/45+20/25 56/15+20/75 56/75+20/25