Subtract 27/42 from 54/6
1st number: 9 0/6, 2nd number: 27/42
54/6 - 27/42 is 117/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
54/6 = 54 × 7/6 × 7 = 378/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
27/42 = 27 × 1/42 × 1 = 27/42 - Subtract the two like fractions:
378/42 - 27/42 = 378 - 27/42 = 351/42 - After reducing the fraction, the answer is 117/14
- In mixed form: 85/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/6-54/42 54/12-27/42 54/6-27/84 54/6-81/42 54/18-27/42 54/30-27/42 54/42-27/42