Subtract 75/48 from 24/21
1st number: 1 3/21, 2nd number: 1 27/48
24/21 - 75/48 is -47/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
24/21 = 24 × 16/21 × 16 = 384/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
75/48 = 75 × 7/48 × 7 = 525/336 - Subtract the two like fractions:
384/336 - 525/336 = 384 - 525/336 = -141/336 - After reducing the fraction, the answer is -47/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/21-75/48 24/42-75/48 24/21-75/96 72/21-75/48 24/63-75/48