Add 48/9 and 21/72
1st number: 5 3/9, 2nd number: 21/72
48/9 + 21/72 is 45/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
48/9 = 48 × 8/9 × 8 = 384/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
21/72 = 21 × 1/72 × 1 = 21/72 - Add the two like fractions:
384/72 + 21/72 = 384 + 21/72 = 405/72 - 405/72 simplified gives 45/8
- So, 48/9 + 21/72 = 45/8
In mixed form: 55/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/9+21/72 48/9+42/72 48/18+21/72 48/9+63/72 48/27+21/72 48/45+21/72 48/63+21/72