Add 56/72 and 3/5
56/72 + 3/5 is 62/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 5 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
56/72 = 56 × 5/72 × 5 = 280/360 - Likewise, for the 2nd fraction, since 5 × 72 = 360,
3/5 = 3 × 72/5 × 72 = 216/360 - Add the two like fractions:
280/360 + 216/360 = 280 + 216/360 = 496/360 - 496/360 simplified gives 62/45
- So, 56/72 + 3/5 = 62/45
In mixed form: 117/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/72+6/5 56/72+3/10 56/72+9/5 56/72+3/15 56/72+15/5 56/72+3/25 56/72+21/5 56/72+3/35