Add 5/72 and 21/30
5/72 + 21/30 is 277/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 30 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
5/72 = 5 × 5/72 × 5 = 25/360 - Likewise, for the 2nd fraction, since 30 × 12 = 360,
21/30 = 21 × 12/30 × 12 = 252/360 - Add the two like fractions:
25/360 + 252/360 = 25 + 252/360 = 277/360 - So, 5/72 + 21/30 = 277/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/72+21/30 5/72+42/30 5/72+21/60 15/72+21/30 5/72+63/30 5/72+21/90 25/72+21/30 35/72+21/30