Add 10/15 and 8/72
10/15 + 8/72 is 7/9.
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,
8/72 = 8 × 5/72 × 5 = 40/360 - Add the two like fractions:
240/360 + 40/360 = 240 + 40/360 = 280/360 - 280/360 simplified gives 7/9
- So, 10/15 + 8/72 = 7/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/15+8/72 10/15+16/72 10/30+8/72 30/15+8/72 10/15+24/72 10/45+8/72 50/15+8/72 10/15+40/72 10/75+8/72 70/15+8/72 10/15+56/72