Add 56/36 and 3/15
1st number: 1 20/36, 2nd number: 3/15
56/36 + 3/15 is 79/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 15 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
56/36 = 56 × 5/36 × 5 = 280/180 - Likewise, for the 2nd fraction, since 15 × 12 = 180,
3/15 = 3 × 12/15 × 12 = 36/180 - Add the two like fractions:
280/180 + 36/180 = 280 + 36/180 = 316/180 - 316/180 simplified gives 79/45
- So, 56/36 + 3/15 = 79/45
In mixed form: 134/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/36+6/15 56/72+3/15 56/36+3/30 56/36+9/15 56/36+3/45 56/36+3/75 56/36+21/15