Subtract 12/24 from 9/5, Solve 1 4/5

Subtract 12/24 from 9/5

1^st number: 1 4/5, 2^nd number: 12/24

9/5 - 12/24 is 13/10.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 24 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 5 × 24 = 120,
9/5 = 9 × 24/5 × 24 = 216/120
Likewise, for the 2nd fraction, since 24 × 5 = 120,
12/24 = 12 × 5/24 × 5 = 60/120
Subtract the two like fractions:
216/120 - 60/120 = 216 - 60/120 = 156/120
After reducing the fraction, the answer is 13/10
In mixed form: 13/10

MathStep (Works offline)

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