Add 21/72 and 3/50
21/72 + 3/50 is 211/600.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 50 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 72 × 25 = 1800,
21/72 = 21 × 25/72 × 25 = 525/1800 - Likewise, for the 2nd fraction, since 50 × 36 = 1800,
3/50 = 3 × 36/50 × 36 = 108/1800 - Add the two like fractions:
525/1800 + 108/1800 = 525 + 108/1800 = 633/1800 - 633/1800 simplified gives 211/600
- So, 21/72 + 3/50 = 211/600
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/72+3/50 21/72+6/50 63/72+3/50 21/72+9/50 21/72+15/50 21/72+21/50