Add 72/15 and 40/48
1st number: 4 12/15, 2nd number: 40/48
72/15 + 40/48 is 169/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
72/15 = 72 × 16/15 × 16 = 1152/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
40/48 = 40 × 5/48 × 5 = 200/240 - Add the two like fractions:
1152/240 + 200/240 = 1152 + 200/240 = 1352/240 - 1352/240 simplified gives 169/30
- So, 72/15 + 40/48 = 169/30
In mixed form: 519/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/15+80/48 72/30+40/48 72/15+40/96 72/45+40/48 72/75+40/48