Add 72/27 and 70/72
1st number: 2 18/27, 2nd number: 70/72
72/27 + 70/72 is 131/36.
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,
72/27 = 72 × 8/27 × 8 = 576/216 - Likewise, for the 2nd fraction, since 72 × 3 = 216,
70/72 = 70 × 3/72 × 3 = 210/216 - Add the two like fractions:
576/216 + 210/216 = 576 + 210/216 = 786/216 - 786/216 simplified gives 131/36
- So, 72/27 + 70/72 = 131/36
In mixed form: 323/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/54+70/72 72/81+70/72