Add 10/72 and 40/3, Solve 10/72 + 13 1/3 as a fraction

Add 10/72 and 40/3

1^st number: 10/72, 2^nd number: 13 1/3

10/72 + 40/3 is 485/36.

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

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 72 × 1 = 72,
10/72 = 10 × 1/72 × 1 = 10/72
Likewise, for the 2nd fraction, since 3 × 24 = 72,
40/3 = 40 × 24/3 × 24 = 960/72
Add the two like fractions:
10/72 + 960/72 = 10 + 960/72 = 970/72
970/72 simplified gives 485/36
So, 10/72 + 40/3 = 485/36
In mixed form: 1317/36

MathStep (Works offline)

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