Add 7/18 and 35/72
7/18 + 35/72 is 7/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
7/18 = 7 × 4/18 × 4 = 28/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
35/72 = 35 × 1/72 × 1 = 35/72 - Add the two like fractions:
28/72 + 35/72 = 28 + 35/72 = 63/72 - 63/72 simplified gives 7/8
- So, 7/18 + 35/72 = 7/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/18+35/72 7/18+70/72 7/36+35/72 21/18+35/72 7/54+35/72 35/18+35/72 7/90+35/72 49/18+35/72