Add 7/72 and 7/8
7/72 + 7/8 is 35/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
7/72 = 7 × 1/72 × 1 = 7/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
7/8 = 7 × 9/8 × 9 = 63/72 - Add the two like fractions:
7/72 + 63/72 = 7 + 63/72 = 70/72 - 70/72 simplified gives 35/36
- So, 7/72 + 7/8 = 35/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/72+7/8 7/72+14/8 7/72+7/16 21/72+7/8 7/72+21/8 7/72+7/24 35/72+7/8 7/72+35/8 7/72+7/40 49/72+7/8 7/72+49/8 7/72+7/56