Add 15/48 and 21/54
15/48 + 21/54 is 101/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 54 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 48 × 9 = 432,
15/48 = 15 × 9/48 × 9 = 135/432 - Likewise, for the 2nd fraction, since 54 × 8 = 432,
21/54 = 21 × 8/54 × 8 = 168/432 - Add the two like fractions:
135/432 + 168/432 = 135 + 168/432 = 303/432 - 303/432 simplified gives 101/144
- So, 15/48 + 21/54 = 101/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/48+21/54 15/48+42/54 15/96+21/54 45/48+21/54 15/48+63/54 75/48+21/54