Subtract 4/54 from 25/18
1st number: 1 7/18, 2nd number: 4/54
25/18 - 4/54 is 71/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
25/18 = 25 × 3/18 × 3 = 75/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
4/54 = 4 × 1/54 × 1 = 4/54 - Subtract the two like fractions:
75/54 - 4/54 = 75 - 4/54 = 71/54 - In mixed form: 117/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/18-4/54 25/18-8/54 25/36-4/54 75/18-4/54 25/18-12/54 25/54-4/54 25/18-20/54 25/90-4/54 25/18-28/54