Subtract 25/42 from 9/25
9/25 - 25/42 is -247/1050.
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,
9/25 = 9 × 42/25 × 42 = 378/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
25/42 = 25 × 25/42 × 25 = 625/1050 - Subtract the two like fractions:
378/1050 - 625/1050 = 378 - 625/1050 = -247/1050
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/25-25/42 9/25-50/42 9/50-25/42 9/25-25/84 27/25-25/42 9/25-75/42 9/75-25/42 45/25-25/42 63/25-25/42