Subtract 24/10 from 90/2, Solve 45 0/2

Subtract 24/10 from 90/2

1^st number: 45 0/2, 2^nd number: 2 4/10

90/2 - 24/10 is 213/5.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 10 is 10

Next, find the equivalent fraction of both fractional numbers with denominator 10
For the 1st fraction, since 2 × 5 = 10,
90/2 = 90 × 5/2 × 5 = 450/10
Likewise, for the 2nd fraction, since 10 × 1 = 10,
24/10 = 24 × 1/10 × 1 = 24/10
Subtract the two like fractions:
450/10 - 24/10 = 450 - 24/10 = 426/10
After reducing the fraction, the answer is 213/5
In mixed form: 423/5

MathStep (Works offline)

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