Add 5/15 and 70/72
5/15 + 70/72 is 47/36.
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,
5/15 = 5 × 24/15 × 24 = 120/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
70/72 = 70 × 5/72 × 5 = 350/360 - Add the two like fractions:
120/360 + 350/360 = 120 + 350/360 = 470/360 - 470/360 simplified gives 47/36
- So, 5/15 + 70/72 = 47/36
In mixed form: 111/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/15+70/72 5/30+70/72 5/45+70/72 25/15+70/72 5/75+70/72 35/15+70/72