Subtract 27/21 from 24/14
1st number: 1 10/14, 2nd number: 1 6/21
24/14 - 27/21 is 3/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
24/14 = 24 × 3/14 × 3 = 72/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
27/21 = 27 × 2/21 × 2 = 54/42 - Subtract the two like fractions:
72/42 - 54/42 = 72 - 54/42 = 18/42 - After reducing the fraction, the answer is 3/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/14-27/21 24/14-54/21 24/28-27/21 24/14-27/42 72/14-27/21 24/14-81/21 24/42-27/21 24/14-27/63 24/70-27/21 24/98-27/21