Subtract 1/7 from 63/54
1st number: 1 9/54, 2nd number: 1/7
63/54 - 1/7 is 43/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 7 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
63/54 = 63 × 7/54 × 7 = 441/378 - Likewise, for the 2nd fraction, since 7 × 54 = 378,
1/7 = 1 × 54/7 × 54 = 54/378 - Subtract the two like fractions:
441/378 - 54/378 = 441 - 54/378 = 387/378 - After reducing the fraction, the answer is 43/42
- In mixed form: 11/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/54-2/7 63/54-1/14 63/54-3/7 63/54-1/21 63/54-5/7 63/54-1/35 63/54-1/49