Add 1/72 and 63/80
1/72 + 63/80 is 577/720.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 72 × 10 = 720,
1/72 = 1 × 10/72 × 10 = 10/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
63/80 = 63 × 9/80 × 9 = 567/720 - Add the two like fractions:
10/720 + 567/720 = 10 + 567/720 = 577/720 - So, 1/72 + 63/80 = 577/720
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/72+63/80 3/72+63/80 5/72+63/80 7/72+63/80