Add 72/15 and 40/24
1st number: 4 12/15, 2nd number: 1 16/24
72/15 + 40/24 is 97/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
72/15 = 72 × 8/15 × 8 = 576/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
40/24 = 40 × 5/24 × 5 = 200/120 - Add the two like fractions:
576/120 + 200/120 = 576 + 200/120 = 776/120 - 776/120 simplified gives 97/15
- So, 72/15 + 40/24 = 97/15
In mixed form: 67/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/15+80/24 72/30+40/24 72/15+40/48 72/45+40/24 72/15+40/72 72/75+40/24