Subtract 6/12 from 3/63, Solve 3/63

Subtract 6/12 from 3/63

3/63 - 6/12 is -19/42.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 12 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 63 × 4 = 252,
3/63 = 3 × 4/63 × 4 = 12/252
Likewise, for the 2nd fraction, since 12 × 21 = 252,
6/12 = 6 × 21/12 × 21 = 126/252
Subtract the two like fractions:
12/252 - 126/252 = 12 - 126/252 = -114/252
After reducing the fraction, the answer is -19/42

MathStep (Works offline)

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