Subtract 75/25 from 5/45, Solve 5/45

Subtract 75/25 from 5/45

1^st number: 5/45, 2^nd number: 3 0/25

5/45 - 75/25 is -26/9.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 25 is 225

Next, find the equivalent fraction of both fractional numbers with denominator 225
For the 1st fraction, since 45 × 5 = 225,
5/45 = 5 × 5/45 × 5 = 25/225
Likewise, for the 2nd fraction, since 25 × 9 = 225,
75/25 = 75 × 9/25 × 9 = 675/225
Subtract the two like fractions:
25/225 - 675/225 = 25 - 675/225 = -650/225
After reducing the fraction, the answer is -26/9

MathStep (Works offline)

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