Subtract 70/63 from 10/48
1st number: 10/48, 2nd number: 1 7/63
10/48 - 70/63 is -65/72.
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,
70/63 = 70 × 16/63 × 16 = 1120/1008 - Subtract the two like fractions:
210/1008 - 1120/1008 = 210 - 1120/1008 = -910/1008 - After reducing the fraction, the answer is -65/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/48-70/63 10/96-70/63 30/48-70/63 50/48-70/63 70/48-70/63