Add 90/72 and 10/24, Solve 1 18/72 + 10/24 as a fraction

Add 90/72 and 10/24

1^st number: 1 18/72, 2^nd number: 10/24

90/72 + 10/24 is 5/3.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 24 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 72 × 1 = 72,
90/72 = 90 × 1/72 × 1 = 90/72
Likewise, for the 2nd fraction, since 24 × 3 = 72,
10/24 = 10 × 3/24 × 3 = 30/72
Add the two like fractions:
90/72 + 30/72 = 90 + 30/72 = 120/72
120/72 simplified gives 5/3
So, 90/72 + 10/24 = 5/3
In mixed form: 12/3

MathStep (Works offline)

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