Subtract 54/25 from 63/45
1st number: 1 18/45, 2nd number: 2 4/25
63/45 - 54/25 is -19/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 25 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 45 × 5 = 225,
63/45 = 63 × 5/45 × 5 = 315/225 - Likewise, for the 2nd fraction, since 25 × 9 = 225,
54/25 = 54 × 9/25 × 9 = 486/225 - Subtract the two like fractions:
315/225 - 486/225 = 315 - 486/225 = -171/225 - After reducing the fraction, the answer is -19/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/90-54/25 63/45-54/50 63/45-54/75