Subtract 21/63 from 10/48
10/48 - 21/63 is -1/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 63 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 48 × 21 = 1008,
10/48 = 10 × 21/48 × 21 = 210/1008 - Likewise, for the 2nd fraction, since 63 × 16 = 1008,
21/63 = 21 × 16/63 × 16 = 336/1008 - Subtract the two like fractions:
210/1008 - 336/1008 = 210 - 336/1008 = -126/1008 - After reducing the fraction, the answer is -1/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/48-21/63 10/48-42/63 10/96-21/63 30/48-21/63 50/48-21/63 70/48-21/63