Subtract 27/10 from 2/4
1st number: 2/4, 2nd number: 2 7/10
2/4 - 27/10 is -11/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
2/4 = 2 × 5/4 × 5 = 10/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
27/10 = 27 × 2/10 × 2 = 54/20 - Subtract the two like fractions:
10/20 - 54/20 = 10 - 54/20 = -44/20 - After reducing the fraction, the answer is -11/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/4-54/10 2/8-27/10 2/4-27/20 6/4-27/10 2/4-81/10 2/12-27/10 2/4-27/30 10/4-27/10 2/20-27/10 2/4-27/50 14/4-27/10 2/28-27/10 2/4-27/70