Add 56/60 and 28/84
56/60 + 28/84 is 19/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
56/60 = 56 × 7/60 × 7 = 392/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
28/84 = 28 × 5/84 × 5 = 140/420 - Add the two like fractions:
392/420 + 140/420 = 392 + 140/420 = 532/420 - 532/420 simplified gives 19/15
- So, 56/60 + 28/84 = 19/15
In mixed form: 14/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/60+56/84