Add 32/28 and 4/72
1st number: 1 4/28, 2nd number: 4/72
32/28 + 4/72 is 151/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 28 × 18 = 504,
32/28 = 32 × 18/28 × 18 = 576/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
4/72 = 4 × 7/72 × 7 = 28/504 - Add the two like fractions:
576/504 + 28/504 = 576 + 28/504 = 604/504 - 604/504 simplified gives 151/126
- So, 32/28 + 4/72 = 151/126
In mixed form: 125/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/28+4/72 32/28+8/72 32/56+4/72 96/28+4/72 32/28+12/72 32/84+4/72 32/28+20/72 32/28+28/72