Subtract 54/63 from 3/25
3/25 - 54/63 is -129/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 63 is 1575
Next, find the equivalent fraction of both fractional numbers with denominator 1575 - For the 1st fraction, since 25 × 63 = 1575,
3/25 = 3 × 63/25 × 63 = 189/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
54/63 = 54 × 25/63 × 25 = 1350/1575 - Subtract the two like fractions:
189/1575 - 1350/1575 = 189 - 1350/1575 = -1161/1575 - After reducing the fraction, the answer is -129/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/25-54/63 3/50-54/63 9/25-54/63 3/75-54/63 15/25-54/63 21/25-54/63