Subtract 5/42 from 6/27
6/27 - 5/42 is 13/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 42 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 27 × 14 = 378,
6/27 = 6 × 14/27 × 14 = 84/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
5/42 = 5 × 9/42 × 9 = 45/378 - Subtract the two like fractions:
84/378 - 45/378 = 84 - 45/378 = 39/378 - After reducing the fraction, the answer is 13/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/27-5/42 6/27-10/42 6/54-5/42 6/27-5/84 18/27-5/42 6/27-15/42 6/81-5/42 30/27-5/42 6/27-25/42 42/27-5/42 6/27-35/42