Subtract 25/45 from 30/54
30/54 - 25/45 is 0/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 45 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
30/54 = 30 × 5/54 × 5 = 150/270 - Likewise, for the 2nd fraction, since 45 × 6 = 270,
25/45 = 25 × 6/45 × 6 = 150/270 - Subtract the two like fractions:
150/270 - 150/270 = 150 - 150/270 = 0/270 - The answer is 0
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/54-25/45 30/54-50/45 30/54-25/90 90/54-25/45 30/54-75/45