Add 8/15 and 70/72
8/15 + 70/72 is 271/180.
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,
8/15 = 8 × 24/15 × 24 = 192/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
70/72 = 70 × 5/72 × 5 = 350/360 - Add the two like fractions:
192/360 + 350/360 = 192 + 350/360 = 542/360 - 542/360 simplified gives 271/180
- So, 8/15 + 70/72 = 271/180
In mixed form: 191/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/15+70/72 8/30+70/72 24/15+70/72 8/45+70/72 40/15+70/72 8/75+70/72 56/15+70/72