Subtract 6/21 from 27/24
1st number: 1 3/24, 2nd number: 6/21
27/24 - 6/21 is 47/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 21 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
27/24 = 27 × 7/24 × 7 = 189/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
6/21 = 6 × 8/21 × 8 = 48/168 - Subtract the two like fractions:
189/168 - 48/168 = 189 - 48/168 = 141/168 - After reducing the fraction, the answer is 47/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/24-6/21 27/24-12/21 27/48-6/21 27/24-6/42 81/24-6/21 27/24-18/21 27/72-6/21 27/24-6/63 27/24-30/21 27/24-42/21