Subtract 84/63 from 10/25
1st number: 10/25, 2nd number: 1 21/63
10/25 - 84/63 is -14/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 63 is 1575
Next, find the equivalent fraction of both fractional numbers with denominator 1575 - For the 1st fraction, since 25 × 63 = 1575,
10/25 = 10 × 63/25 × 63 = 630/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
84/63 = 84 × 25/63 × 25 = 2100/1575 - Subtract the two like fractions:
630/1575 - 2100/1575 = 630 - 2100/1575 = -1470/1575 - After reducing the fraction, the answer is -14/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/25-84/63 10/50-84/63 30/25-84/63 10/75-84/63 50/25-84/63 70/25-84/63