Add 5/3 and 30/72, Solve 1 2/3 + 30/72 as a fraction

Add 5/3 and 30/72

1^st number: 1 2/3, 2^nd number: 30/72

5/3 + 30/72 is 25/12.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 72 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 3 × 24 = 72,
5/3 = 5 × 24/3 × 24 = 120/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
30/72 = 30 × 1/72 × 1 = 30/72
Add the two like fractions:
120/72 + 30/72 = 120 + 30/72 = 150/72
150/72 simplified gives 25/12
So, 5/3 + 30/72 = 25/12
In mixed form: 21/12

MathStep (Works offline)

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