Subtract 9/54 from 25/7
1st number: 3 4/7, 2nd number: 9/54
25/7 - 9/54 is 143/42.
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,
25/7 = 25 × 54/7 × 54 = 1350/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
9/54 = 9 × 7/54 × 7 = 63/378 - Subtract the two like fractions:
1350/378 - 63/378 = 1350 - 63/378 = 1287/378 - After reducing the fraction, the answer is 143/42
- In mixed form: 317/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/7-9/54 25/7-18/54 25/14-9/54 75/7-9/54 25/7-27/54 25/21-9/54 25/7-45/54 25/35-9/54 25/7-63/54 25/49-9/54