Subtract 3/25 from 15/42
15/42 - 3/25 is 83/350.
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,
15/42 = 15 × 25/42 × 25 = 375/1050 - Likewise, for the 2nd fraction, since 25 × 42 = 1050,
3/25 = 3 × 42/25 × 42 = 126/1050 - Subtract the two like fractions:
375/1050 - 126/1050 = 375 - 126/1050 = 249/1050 - After reducing the fraction, the answer is 83/350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/42-3/25 15/42-6/25 15/84-3/25 15/42-3/50 45/42-3/25 15/42-9/25 15/42-3/75 75/42-3/25 15/42-15/25 15/42-21/25