Subtract 30/7 from 54/6
1st number: 9 0/6, 2nd number: 4 2/7
54/6 - 30/7 is 33/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 7 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 7 × 6 = 42,
30/7 = 30 × 6/7 × 6 = 180/42 - Subtract the two like fractions:
378/42 - 180/42 = 378 - 180/42 = 198/42 - After reducing the fraction, the answer is 33/7
- In mixed form: 45/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/6-60/7 54/12-30/7 54/6-30/14 54/6-90/7 54/18-30/7 54/6-30/21 54/30-30/7 54/6-30/35 54/42-30/7 54/6-30/49