Add 48/42 and 7/72, Solve 1 6/42 + 7/72 as a fraction

Add 48/42 and 7/72

1^st number: 1 6/42, 2^nd number: 7/72

48/42 + 7/72 is 625/504.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 72 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 42 × 12 = 504,
48/42 = 48 × 12/42 × 12 = 576/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
7/72 = 7 × 7/72 × 7 = 49/504
Add the two like fractions:
576/504 + 49/504 = 576 + 49/504 = 625/504
So, 48/42 + 7/72 = 625/504
In mixed form: 1121/504

MathStep (Works offline)

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