Add 60/45 and 56/84, Solve 1 15/45 + 56/84 as a fraction

Add 60/45 and 56/84

1^st number: 1 15/45, 2^nd number: 56/84

60/45 + 56/84 is 2/1.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 84 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 45 × 28 = 1260,
60/45 = 60 × 28/45 × 28 = 1680/1260
Likewise, for the 2nd fraction, since 84 × 15 = 1260,
56/84 = 56 × 15/84 × 15 = 840/1260
Add the two like fractions:
1680/1260 + 840/1260 = 1680 + 840/1260 = 2520/1260
2520/1260 simplified gives 2/1
So, 60/45 + 56/84 = 2/1

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad