Subtract 10/15 from 75/27
1st number: 2 21/27, 2nd number: 10/15
75/27 - 10/15 is 19/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 15 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
75/27 = 75 × 5/27 × 5 = 375/135 - Likewise, for the 2nd fraction, since 15 × 9 = 135,
10/15 = 10 × 9/15 × 9 = 90/135 - Subtract the two like fractions:
375/135 - 90/135 = 375 - 90/135 = 285/135 - After reducing the fraction, the answer is 19/9
- In mixed form: 21/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/27-20/15 75/54-10/15 75/27-10/30 75/27-30/15 75/81-10/15 75/27-10/45 75/27-50/15 75/27-10/75 75/27-70/15