Subtract 75/27 from 15/6
1st number: 2 3/6, 2nd number: 2 21/27
15/6 - 75/27 is -5/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 6 × 9 = 54,
15/6 = 15 × 9/6 × 9 = 135/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
75/27 = 75 × 2/27 × 2 = 150/54 - Subtract the two like fractions:
135/54 - 150/54 = 135 - 150/54 = -15/54 - After reducing the fraction, the answer is -5/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/6-75/27 15/12-75/27 15/6-75/54 45/6-75/27 15/18-75/27 15/6-75/81 75/6-75/27 15/30-75/27 15/42-75/27