Add 56/72 and 5/20
56/72 + 5/20 is 37/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 20 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 20 × 18 = 360,
5/20 = 5 × 18/20 × 18 = 90/360 - Add the two like fractions:
280/360 + 90/360 = 280 + 90/360 = 370/360 - 370/360 simplified gives 37/36
- So, 56/72 + 5/20 = 37/36
In mixed form: 11/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/72+10/20 56/72+5/40 56/72+15/20 56/72+5/60 56/72+25/20 56/72+35/20