Subtract 10/24 from 90/10, Solve 9 0/10

Subtract 10/24 from 90/10

1^st number: 9 0/10, 2^nd number: 10/24

90/10 - 10/24 is 103/12.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 24 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 10 × 12 = 120,
90/10 = 90 × 12/10 × 12 = 1080/120
Likewise, for the 2nd fraction, since 24 × 5 = 120,
10/24 = 10 × 5/24 × 5 = 50/120
Subtract the two like fractions:
1080/120 - 50/120 = 1080 - 50/120 = 1030/120
After reducing the fraction, the answer is 103/12
In mixed form: 87/12

MathStep (Works offline)

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