Add 6/72 and 18/15
1st number: 6/72, 2nd number: 1 3/15
6/72 + 18/15 is 77/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 15 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
6/72 = 6 × 5/72 × 5 = 30/360 - Likewise, for the 2nd fraction, since 15 × 24 = 360,
18/15 = 18 × 24/15 × 24 = 432/360 - Add the two like fractions:
30/360 + 432/360 = 30 + 432/360 = 462/360 - 462/360 simplified gives 77/60
- So, 6/72 + 18/15 = 77/60
In mixed form: 117/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/72+18/15 6/72+36/15 6/72+18/30 18/72+18/15 6/72+54/15 6/72+18/45 30/72+18/15 6/72+90/15 6/72+18/75 42/72+18/15