Subtract 7/54 from 25/20
1st number: 1 5/20, 2nd number: 7/54
25/20 - 7/54 is 121/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 54 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
25/20 = 25 × 27/20 × 27 = 675/540 - Likewise, for the 2nd fraction, since 54 × 10 = 540,
7/54 = 7 × 10/54 × 10 = 70/540 - Subtract the two like fractions:
675/540 - 70/540 = 675 - 70/540 = 605/540 - After reducing the fraction, the answer is 121/108
- In mixed form: 113/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/20-7/54 25/20-14/54 25/40-7/54 75/20-7/54 25/20-21/54 25/60-7/54 25/20-35/54 25/20-49/54