Subtract 7/25 from 5/42
5/42 - 7/25 is -169/1050.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 25 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
5/42 = 5 × 25/42 × 25 = 125/1050 - Likewise, for the 2nd fraction, since 25 × 42 = 1050,
7/25 = 7 × 42/25 × 42 = 294/1050 - Subtract the two like fractions:
125/1050 - 294/1050 = 125 - 294/1050 = -169/1050
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/42-7/25 5/42-14/25 5/84-7/25 5/42-7/50 15/42-7/25 5/42-21/25 5/42-7/75 25/42-7/25 5/42-35/25 35/42-7/25 5/42-49/25