Add 42/15 and 60/72
1st number: 2 12/15, 2nd number: 60/72
42/15 + 60/72 is 109/30.
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,
42/15 = 42 × 24/15 × 24 = 1008/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
60/72 = 60 × 5/72 × 5 = 300/360 - Add the two like fractions:
1008/360 + 300/360 = 1008 + 300/360 = 1308/360 - 1308/360 simplified gives 109/30
- So, 42/15 + 60/72 = 109/30
In mixed form: 319/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/15+60/72 42/30+60/72 42/45+60/72 42/75+60/72