Subtract 8/42 from 9/75
9/75 - 8/42 is -37/525.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 75 × 14 = 1050,
9/75 = 9 × 14/75 × 14 = 126/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
8/42 = 8 × 25/42 × 25 = 200/1050 - Subtract the two like fractions:
126/1050 - 200/1050 = 126 - 200/1050 = -74/1050 - After reducing the fraction, the answer is -37/525
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/75-8/42 9/75-16/42 9/75-8/84 27/75-8/42 9/75-24/42 45/75-8/42 9/75-40/42 63/75-8/42 9/75-56/42