Subtract 24/42 from 7/25
7/25 - 24/42 is -51/175.
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,
7/25 = 7 × 42/25 × 42 = 294/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
24/42 = 24 × 25/42 × 25 = 600/1050 - Subtract the two like fractions:
294/1050 - 600/1050 = 294 - 600/1050 = -306/1050 - After reducing the fraction, the answer is -51/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/25-24/42 7/25-48/42 7/50-24/42 7/25-24/84 21/25-24/42 7/25-72/42 7/75-24/42 35/25-24/42 49/25-24/42