Add 42/72 and 60/98, Solve 42/72 + 60/98 as a fraction

Add 42/72 and 60/98

42/72 + 60/98 is 703/588.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 98 is 3528

Next, find the equivalent fraction of both fractional numbers with denominator 3528
For the 1st fraction, since 72 × 49 = 3528,
42/72 = 42 × 49/72 × 49 = 2058/3528
Likewise, for the 2nd fraction, since 98 × 36 = 3528,
60/98 = 60 × 36/98 × 36 = 2160/3528
Add the two like fractions:
2058/3528 + 2160/3528 = 2058 + 2160/3528 = 4218/3528
4218/3528 simplified gives 703/588
So, 42/72 + 60/98 = 703/588
In mixed form: 1115/588

MathStep (Works offline)

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