Add 20/14 and 7/72
1st number: 1 6/14, 2nd number: 7/72
20/14 + 7/72 is 769/504.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 14 × 36 = 504,
20/14 = 20 × 36/14 × 36 = 720/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
7/72 = 7 × 7/72 × 7 = 49/504 - Add the two like fractions:
720/504 + 49/504 = 720 + 49/504 = 769/504 - So, 20/14 + 7/72 = 769/504
In mixed form: 1265/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/14+7/72 20/14+14/72 20/28+7/72 60/14+7/72 20/14+21/72 20/42+7/72 20/14+35/72 20/70+7/72 20/14+49/72 20/98+7/72