Add 72/15 and 56/72
1st number: 4 12/15, 2nd number: 56/72
72/15 + 56/72 is 251/45.
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,
72/15 = 72 × 24/15 × 24 = 1728/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
56/72 = 56 × 5/72 × 5 = 280/360 - Add the two like fractions:
1728/360 + 280/360 = 1728 + 280/360 = 2008/360 - 2008/360 simplified gives 251/45
- So, 72/15 + 56/72 = 251/45
In mixed form: 526/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/30+56/72 72/45+56/72 72/75+56/72