Subtract 15/18 from 70/54
1st number: 1 16/54, 2nd number: 15/18
70/54 - 15/18 is 25/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 18 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
70/54 = 70 × 1/54 × 1 = 70/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
15/18 = 15 × 3/18 × 3 = 45/54 - Subtract the two like fractions:
70/54 - 45/54 = 70 - 45/54 = 25/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/54-30/18 70/54-15/36 70/54-45/18 70/54-15/54 70/54-75/18 70/54-15/90