Subtract 63/36 from 25/42
1st number: 25/42, 2nd number: 1 27/36
25/42 - 63/36 is -97/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 42 × 6 = 252,
25/42 = 25 × 6/42 × 6 = 150/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
63/36 = 63 × 7/36 × 7 = 441/252 - Subtract the two like fractions:
150/252 - 441/252 = 150 - 441/252 = -291/252 - After reducing the fraction, the answer is -97/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/42-63/36 25/84-63/36 25/42-63/72 75/42-63/36