Subtract 7/42 from 12/25
12/25 - 7/42 is 47/150.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 25 × 42 = 1050,
12/25 = 12 × 42/25 × 42 = 504/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
7/42 = 7 × 25/42 × 25 = 175/1050 - Subtract the two like fractions:
504/1050 - 175/1050 = 504 - 175/1050 = 329/1050 - After reducing the fraction, the answer is 47/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/25-7/42 12/25-14/42 12/50-7/42 12/25-7/84 36/25-7/42 12/25-21/42 12/75-7/42 60/25-7/42 12/25-35/42 84/25-7/42 12/25-49/42