Subtract 9/25 from 1/42
1/42 - 9/25 is -353/1050.
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,
1/42 = 1 × 25/42 × 25 = 25/1050 - Likewise, for the 2nd fraction, since 25 × 42 = 1050,
9/25 = 9 × 42/25 × 42 = 378/1050 - Subtract the two like fractions:
25/1050 - 378/1050 = 25 - 378/1050 = -353/1050
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/42-9/25 1/42-18/25 1/84-9/25 1/42-9/50 3/42-9/25 1/42-27/25 1/42-9/75 5/42-9/25 1/42-45/25 7/42-9/25 1/42-63/25