Subtract 6/54 from 84/7
1st number: 12 0/7, 2nd number: 6/54
84/7 - 6/54 is 107/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 7 × 54 = 378,
84/7 = 84 × 54/7 × 54 = 4536/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
6/54 = 6 × 7/54 × 7 = 42/378 - Subtract the two like fractions:
4536/378 - 42/378 = 4536 - 42/378 = 4494/378 - After reducing the fraction, the answer is 107/9
- In mixed form: 118/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/7-12/54 84/14-6/54 84/7-18/54 84/21-6/54 84/7-30/54 84/35-6/54 84/7-42/54 84/49-6/54