Add 7/72 and 60/80
7/72 + 60/80 is 61/72.
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,
7/72 = 7 × 10/72 × 10 = 70/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
60/80 = 60 × 9/80 × 9 = 540/720 - Add the two like fractions:
70/720 + 540/720 = 70 + 540/720 = 610/720 - 610/720 simplified gives 61/72
- So, 7/72 + 60/80 = 61/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/72+60/80 21/72+60/80 35/72+60/80 49/72+60/80