Add 42/15 and 60/28
1st number: 2 12/15, 2nd number: 2 4/28
42/15 + 60/28 is 173/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
42/15 = 42 × 28/15 × 28 = 1176/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
60/28 = 60 × 15/28 × 15 = 900/420 - Add the two like fractions:
1176/420 + 900/420 = 1176 + 900/420 = 2076/420 - 2076/420 simplified gives 173/35
- So, 42/15 + 60/28 = 173/35
In mixed form: 433/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/15+60/28 42/30+60/28 42/15+60/56 42/45+60/28 42/15+60/84 42/75+60/28