Subtract 27/10 from 27/24
1st number: 1 3/24, 2nd number: 2 7/10
27/24 - 27/10 is -63/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 10 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
27/24 = 27 × 5/24 × 5 = 135/120 - Likewise, for the 2nd fraction, since 10 × 12 = 120,
27/10 = 27 × 12/10 × 12 = 324/120 - Subtract the two like fractions:
135/120 - 324/120 = 135 - 324/120 = -189/120 - After reducing the fraction, the answer is -63/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/24-27/10 27/24-54/10 27/48-27/10 27/24-27/20 81/24-27/10 27/24-81/10 27/72-27/10 27/24-27/30 27/24-27/50 27/24-27/70