Subtract 27/75 from 6/42
6/42 - 27/75 is -38/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 75 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
6/42 = 6 × 25/42 × 25 = 150/1050 - Likewise, for the 2nd fraction, since 75 × 14 = 1050,
27/75 = 27 × 14/75 × 14 = 378/1050 - Subtract the two like fractions:
150/1050 - 378/1050 = 150 - 378/1050 = -228/1050 - After reducing the fraction, the answer is -38/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/42-27/75 6/42-54/75 6/84-27/75 18/42-27/75 6/42-81/75 30/42-27/75