Subtract 2/25 from 7/42
7/42 - 2/25 is 13/150.
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,
7/42 = 7 × 25/42 × 25 = 175/1050 - Likewise, for the 2nd fraction, since 25 × 42 = 1050,
2/25 = 2 × 42/25 × 42 = 84/1050 - Subtract the two like fractions:
175/1050 - 84/1050 = 175 - 84/1050 = 91/1050 - After reducing the fraction, the answer is 13/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/42-2/25 7/42-4/25 7/84-2/25 7/42-2/50 21/42-2/25 7/42-6/25 7/42-2/75 35/42-2/25 7/42-10/25 49/42-2/25 7/42-14/25