Add 1/28 and 15/72
1/28 + 15/72 is 41/168.
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,
1/28 = 1 × 18/28 × 18 = 18/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
15/72 = 15 × 7/72 × 7 = 105/504 - Add the two like fractions:
18/504 + 105/504 = 18 + 105/504 = 123/504 - 123/504 simplified gives 41/168
- So, 1/28 + 15/72 = 41/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/28+15/72 1/28+30/72 1/56+15/72 3/28+15/72 1/28+45/72 1/84+15/72 5/28+15/72 1/28+75/72 7/28+15/72