Subtract 3/42 from 3/25
3/25 - 3/42 is 17/350.
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,
3/25 = 3 × 42/25 × 42 = 126/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
3/42 = 3 × 25/42 × 25 = 75/1050 - Subtract the two like fractions:
126/1050 - 75/1050 = 126 - 75/1050 = 51/1050 - After reducing the fraction, the answer is 17/350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/25-3/42 3/25-6/42 3/50-3/42 3/25-3/84 9/25-3/42 3/25-9/42 3/75-3/42 15/25-3/42 3/25-15/42 21/25-3/42 3/25-21/42