Add 27/72 and 6/15
27/72 + 6/15 is 31/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 15 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
27/72 = 27 × 5/72 × 5 = 135/360 - Likewise, for the 2nd fraction, since 15 × 24 = 360,
6/15 = 6 × 24/15 × 24 = 144/360 - Add the two like fractions:
135/360 + 144/360 = 135 + 144/360 = 279/360 - 279/360 simplified gives 31/40
- So, 27/72 + 6/15 = 31/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/72+6/15 27/72+12/15 27/72+6/30 81/72+6/15 27/72+18/15 27/72+6/45 27/72+30/15 27/72+6/75 27/72+42/15