Subtract 21/4 from 3/24
1st number: 3/24, 2nd number: 5 1/4
3/24 - 21/4 is -41/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 4 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 24 × 1 = 24,
3/24 = 3 × 1/24 × 1 = 3/24 - Likewise, for the 2nd fraction, since 4 × 6 = 24,
21/4 = 21 × 6/4 × 6 = 126/24 - Subtract the two like fractions:
3/24 - 126/24 = 3 - 126/24 = -123/24 - After reducing the fraction, the answer is -41/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/24-21/4 3/24-42/4 3/48-21/4 3/24-21/8 9/24-21/4 3/24-63/4 3/72-21/4 3/24-21/12 15/24-21/4 3/24-21/20 21/24-21/4 3/24-21/28