Subtract 6/45 from 24/42, Solve 24/42

Subtract 6/45 from 24/42

24/42 - 6/45 is 46/105.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 45 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 42 × 15 = 630,
24/42 = 24 × 15/42 × 15 = 360/630
Likewise, for the 2nd fraction, since 45 × 14 = 630,
6/45 = 6 × 14/45 × 14 = 84/630
Subtract the two like fractions:
360/630 - 84/630 = 360 - 84/630 = 276/630
After reducing the fraction, the answer is 46/105

MathStep (Works offline)

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