Subtract 25/42 from 14/36
14/36 - 25/42 is -13/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 42 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
14/36 = 14 × 7/36 × 7 = 98/252 - Likewise, for the 2nd fraction, since 42 × 6 = 252,
25/42 = 25 × 6/42 × 6 = 150/252 - Subtract the two like fractions:
98/252 - 150/252 = 98 - 150/252 = -52/252 - After reducing the fraction, the answer is -13/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/36-25/42 14/36-50/42 14/72-25/42 14/36-25/84 42/36-25/42 14/36-75/42 70/36-25/42 98/36-25/42