Subtract 15/90 from 27/25
1st number: 1 2/25, 2nd number: 15/90
27/25 - 15/90 is 137/150.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
27/25 = 27 × 18/25 × 18 = 486/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
15/90 = 15 × 5/90 × 5 = 75/450 - Subtract the two like fractions:
486/450 - 75/450 = 486 - 75/450 = 411/450 - After reducing the fraction, the answer is 137/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/25-15/90 27/25-30/90 27/50-15/90 81/25-15/90 27/25-45/90 27/75-15/90 27/25-75/90