Add 15/72 and 10/28
15/72 + 10/28 is 95/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 28 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
15/72 = 15 × 7/72 × 7 = 105/504 - Likewise, for the 2nd fraction, since 28 × 18 = 504,
10/28 = 10 × 18/28 × 18 = 180/504 - Add the two like fractions:
105/504 + 180/504 = 105 + 180/504 = 285/504 - 285/504 simplified gives 95/168
- So, 15/72 + 10/28 = 95/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/72+10/28 15/72+20/28 15/72+10/56 45/72+10/28 15/72+30/28 15/72+10/84 75/72+10/28 15/72+50/28 15/72+70/28