Add 4/15 and 70/72
4/15 + 70/72 is 223/180.
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,
4/15 = 4 × 24/15 × 24 = 96/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
70/72 = 70 × 5/72 × 5 = 350/360 - Add the two like fractions:
96/360 + 350/360 = 96 + 350/360 = 446/360 - 446/360 simplified gives 223/180
- So, 4/15 + 70/72 = 223/180
In mixed form: 143/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/15+70/72 4/30+70/72 12/15+70/72 4/45+70/72 20/15+70/72 4/75+70/72 28/15+70/72