Add 4/15 and 12/72
4/15 + 12/72 is 13/30.
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,
12/72 = 12 × 5/72 × 5 = 60/360 - Add the two like fractions:
96/360 + 60/360 = 96 + 60/360 = 156/360 - 156/360 simplified gives 13/30
- So, 4/15 + 12/72 = 13/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/15+12/72 4/15+24/72 4/30+12/72 12/15+12/72 4/15+36/72 4/45+12/72 20/15+12/72 4/15+60/72 4/75+12/72 28/15+12/72 4/15+84/72