Add 4/25 and 21/72
4/25 + 21/72 is 271/600.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 25 × 72 = 1800,
4/25 = 4 × 72/25 × 72 = 288/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
21/72 = 21 × 25/72 × 25 = 525/1800 - Add the two like fractions:
288/1800 + 525/1800 = 288 + 525/1800 = 813/1800 - 813/1800 simplified gives 271/600
- So, 4/25 + 21/72 = 271/600
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/25+21/72 4/25+42/72 4/50+21/72 12/25+21/72 4/25+63/72 4/75+21/72 20/25+21/72 28/25+21/72