Subtract 25/54 from 28/18
1st number: 1 10/18, 2nd number: 25/54
28/18 - 25/54 is 59/54.
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,
28/18 = 28 × 3/18 × 3 = 84/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
25/54 = 25 × 1/54 × 1 = 25/54 - Subtract the two like fractions:
84/54 - 25/54 = 84 - 25/54 = 59/54 - In mixed form: 15/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18-25/54 28/18-50/54 28/36-25/54 84/18-25/54 28/18-75/54 28/54-25/54 28/90-25/54