Subtract 50/42 from 9/25
1st number: 9/25, 2nd number: 1 8/42
9/25 - 50/42 is -436/525.
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,
50/42 = 50 × 25/42 × 25 = 1250/1050 - Subtract the two like fractions:
378/1050 - 1250/1050 = 378 - 1250/1050 = -872/1050 - After reducing the fraction, the answer is -436/525
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/25-50/42 9/50-50/42 9/25-50/84 27/25-50/42 9/75-50/42 45/25-50/42 63/25-50/42