Subtract 27/25 from 18/10
1st number: 1 8/10, 2nd number: 1 2/25
18/10 - 27/25 is 18/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 25 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 10 × 5 = 50,
18/10 = 18 × 5/10 × 5 = 90/50 - Likewise, for the 2nd fraction, since 25 × 2 = 50,
27/25 = 27 × 2/25 × 2 = 54/50 - Subtract the two like fractions:
90/50 - 54/50 = 90 - 54/50 = 36/50 - After reducing the fraction, the answer is 18/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/10-27/25 18/10-54/25 18/20-27/25 18/10-27/50 54/10-27/25 18/10-81/25 18/30-27/25 18/10-27/75 90/10-27/25 18/50-27/25 18/70-27/25