Add 3/72 and 21/25
3/72 + 21/25 is 529/600.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 25 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 72 × 25 = 1800,
3/72 = 3 × 25/72 × 25 = 75/1800 - Likewise, for the 2nd fraction, since 25 × 72 = 1800,
21/25 = 21 × 72/25 × 72 = 1512/1800 - Add the two like fractions:
75/1800 + 1512/1800 = 75 + 1512/1800 = 1587/1800 - 1587/1800 simplified gives 529/600
- So, 3/72 + 21/25 = 529/600
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/72+21/25 3/72+42/25 3/72+21/50 9/72+21/25 3/72+63/25 3/72+21/75 15/72+21/25 21/72+21/25