Subtract 75/25 from 6/42
1st number: 6/42, 2nd number: 3 0/25
6/42 - 75/25 is -20/7.
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,
6/42 = 6 × 25/42 × 25 = 150/1050 - Likewise, for the 2nd fraction, since 25 × 42 = 1050,
75/25 = 75 × 42/25 × 42 = 3150/1050 - Subtract the two like fractions:
150/1050 - 3150/1050 = 150 - 3150/1050 = -3000/1050 - After reducing the fraction, the answer is -20/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/42-75/25 6/84-75/25 6/42-75/50 18/42-75/25 30/42-75/25