Add 1/15 and 56/72
1/15 + 56/72 is 38/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 15 × 24 = 360,
1/15 = 1 × 24/15 × 24 = 24/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
56/72 = 56 × 5/72 × 5 = 280/360 - Add the two like fractions:
24/360 + 280/360 = 24 + 280/360 = 304/360 - 304/360 simplified gives 38/45
- So, 1/15 + 56/72 = 38/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/15+56/72 1/30+56/72 3/15+56/72 1/45+56/72 5/15+56/72 1/75+56/72 7/15+56/72