Subtract 84/24 from 21/25
1st number: 21/25, 2nd number: 3 12/24
21/25 - 84/24 is -133/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 24 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 25 × 24 = 600,
21/25 = 21 × 24/25 × 24 = 504/600 - Likewise, for the 2nd fraction, since 24 × 25 = 600,
84/24 = 84 × 25/24 × 25 = 2100/600 - Subtract the two like fractions:
504/600 - 2100/600 = 504 - 2100/600 = -1596/600 - After reducing the fraction, the answer is -133/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/25-84/24 21/50-84/24 21/25-84/48 63/25-84/24 21/75-84/24 21/25-84/72