Subtract 54/18 from 48/7
1st number: 6 6/7, 2nd number: 3 0/18
48/7 - 54/18 is 27/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 7 × 18 = 126,
48/7 = 48 × 18/7 × 18 = 864/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
54/18 = 54 × 7/18 × 7 = 378/126 - Subtract the two like fractions:
864/126 - 378/126 = 864 - 378/126 = 486/126 - After reducing the fraction, the answer is 27/7
- In mixed form: 36/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/7-54/18 48/14-54/18 48/7-54/36 48/21-54/18 48/35-54/18 48/7-54/90 48/49-54/18