Subtract 21/12 from 49/25
1st number: 1 24/25, 2nd number: 1 9/12
49/25 - 21/12 is 21/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 25 × 12 = 300,
49/25 = 49 × 12/25 × 12 = 588/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
21/12 = 21 × 25/12 × 25 = 525/300 - Subtract the two like fractions:
588/300 - 525/300 = 588 - 525/300 = 63/300 - After reducing the fraction, the answer is 21/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/25-21/12 49/25-42/12 49/50-21/12 49/25-21/24 49/25-63/12 49/75-21/12 49/25-21/36 49/25-21/60 49/25-21/84