Add 15/14 and 18/72
1st number: 1 1/14, 2nd number: 18/72
15/14 + 18/72 is 37/28.
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,
15/14 = 15 × 36/14 × 36 = 540/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
18/72 = 18 × 7/72 × 7 = 126/504 - Add the two like fractions:
540/504 + 126/504 = 540 + 126/504 = 666/504 - 666/504 simplified gives 37/28
- So, 15/14 + 18/72 = 37/28
In mixed form: 19/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/14+18/72 15/14+36/72 15/28+18/72 45/14+18/72 15/14+54/72 15/42+18/72 75/14+18/72 15/14+90/72 15/70+18/72 15/98+18/72