Add 54/15 and 63/24
1st number: 3 9/15, 2nd number: 2 15/24
54/15 + 63/24 is 249/40.
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,
54/15 = 54 × 8/15 × 8 = 432/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
63/24 = 63 × 5/24 × 5 = 315/120 - Add the two like fractions:
432/120 + 315/120 = 432 + 315/120 = 747/120 - 747/120 simplified gives 249/40
- So, 54/15 + 63/24 = 249/40
In mixed form: 69/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/30+63/24 54/15+63/48 54/45+63/24 54/15+63/72 54/75+63/24