Add 72/8 and 5/42, Solve 9 0/8 + 5/42 as a fraction

Add 72/8 and 5/42

1^st number: 9 0/8, 2^nd number: 5/42

72/8 + 5/42 is 383/42.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 42 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 8 × 21 = 168,
72/8 = 72 × 21/8 × 21 = 1512/168
Likewise, for the 2nd fraction, since 42 × 4 = 168,
5/42 = 5 × 4/42 × 4 = 20/168
Add the two like fractions:
1512/168 + 20/168 = 1512 + 20/168 = 1532/168
1532/168 simplified gives 383/42
So, 72/8 + 5/42 = 383/42
In mixed form: 95/42

MathStep (Works offline)

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