Subtract 63/54 from 42/7
1st number: 6 0/7, 2nd number: 1 9/54
42/7 - 63/54 is 29/6.
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,
42/7 = 42 × 54/7 × 54 = 2268/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
63/54 = 63 × 7/54 × 7 = 441/378 - Subtract the two like fractions:
2268/378 - 441/378 = 2268 - 441/378 = 1827/378 - After reducing the fraction, the answer is 29/6
- In mixed form: 45/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/7-63/54 42/14-63/54 42/21-63/54 42/35-63/54 42/49-63/54