Add 72/24 and 5/42, Solve 3 0/24 + 5/42 as a fraction

Add 72/24 and 5/42

1^st number: 3 0/24, 2^nd number: 5/42

72/24 + 5/42 is 131/42.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 42 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 24 × 7 = 168,
72/24 = 72 × 7/24 × 7 = 504/168
Likewise, for the 2nd fraction, since 42 × 4 = 168,
5/42 = 5 × 4/42 × 4 = 20/168
Add the two like fractions:
504/168 + 20/168 = 504 + 20/168 = 524/168
524/168 simplified gives 131/42
So, 72/24 + 5/42 = 131/42
In mixed form: 35/42

MathStep (Works offline)

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