Add 7/72 and 18/7
1st number: 7/72, 2nd number: 2 4/7
7/72 + 18/7 is 1345/504.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 7 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
7/72 = 7 × 7/72 × 7 = 49/504 - Likewise, for the 2nd fraction, since 7 × 72 = 504,
18/7 = 18 × 72/7 × 72 = 1296/504 - Add the two like fractions:
49/504 + 1296/504 = 49 + 1296/504 = 1345/504 - So, 7/72 + 18/7 = 1345/504
In mixed form: 2337/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/72+18/7 7/72+36/7 7/72+18/14 21/72+18/7 7/72+54/7 7/72+18/21 35/72+18/7 7/72+90/7 7/72+18/35 49/72+18/7 7/72+18/49