Add 42/60 and 50/28
1st number: 42/60, 2nd number: 1 22/28
42/60 + 50/28 is 87/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
42/60 = 42 × 7/60 × 7 = 294/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
50/28 = 50 × 15/28 × 15 = 750/420 - Add the two like fractions:
294/420 + 750/420 = 294 + 750/420 = 1044/420 - 1044/420 simplified gives 87/35
- So, 42/60 + 50/28 = 87/35
In mixed form: 217/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/60+50/28 42/60+50/56 42/60+50/84