Subtract 32/90 from 27/15
1st number: 1 12/15, 2nd number: 32/90
27/15 - 32/90 is 13/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
27/15 = 27 × 6/15 × 6 = 162/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
32/90 = 32 × 1/90 × 1 = 32/90 - Subtract the two like fractions:
162/90 - 32/90 = 162 - 32/90 = 130/90 - After reducing the fraction, the answer is 13/9
- In mixed form: 14/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15-32/90 27/15-64/90 27/30-32/90 81/15-32/90 27/15-96/90 27/45-32/90 27/75-32/90