Add 10/15 and 15/72
10/15 + 15/72 is 7/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 15 × 24 = 360,
10/15 = 10 × 24/15 × 24 = 240/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
15/72 = 15 × 5/72 × 5 = 75/360 - Add the two like fractions:
240/360 + 75/360 = 240 + 75/360 = 315/360 - 315/360 simplified gives 7/8
- So, 10/15 + 15/72 = 7/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/15+15/72 10/15+30/72 10/30+15/72 30/15+15/72 10/15+45/72 10/45+15/72 50/15+15/72 10/15+75/72 10/75+15/72 70/15+15/72