Add 8/14 and 28/72
8/14 + 28/72 is 121/126.
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,
8/14 = 8 × 36/14 × 36 = 288/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
28/72 = 28 × 7/72 × 7 = 196/504 - Add the two like fractions:
288/504 + 196/504 = 288 + 196/504 = 484/504 - 484/504 simplified gives 121/126
- So, 8/14 + 28/72 = 121/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/14+28/72 8/14+56/72 8/28+28/72 24/14+28/72 8/14+84/72 8/42+28/72 40/14+28/72 8/70+28/72 56/14+28/72 8/98+28/72