Add 40/27 and 21/72
1st number: 1 13/27, 2nd number: 21/72
40/27 + 21/72 is 383/216.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 72 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 27 × 8 = 216,
40/27 = 40 × 8/27 × 8 = 320/216 - Likewise, for the 2nd fraction, since 72 × 3 = 216,
21/72 = 21 × 3/72 × 3 = 63/216 - Add the two like fractions:
320/216 + 63/216 = 320 + 63/216 = 383/216 - So, 40/27 + 21/72 = 383/216
In mixed form: 1167/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/27+21/72 40/27+42/72 40/54+21/72 40/27+63/72 40/81+21/72