Subtract 9/42 from 27/6
1st number: 4 3/6, 2nd number: 9/42
27/6 - 9/42 is 30/7.
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,
27/6 = 27 × 7/6 × 7 = 189/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
9/42 = 9 × 1/42 × 1 = 9/42 - Subtract the two like fractions:
189/42 - 9/42 = 189 - 9/42 = 180/42 - After reducing the fraction, the answer is 30/7
- In mixed form: 42/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/6-9/42 27/6-18/42 27/12-9/42 27/6-9/84 81/6-9/42 27/6-27/42 27/18-9/42 27/6-45/42 27/30-9/42 27/6-63/42 27/42-9/42