Subtract 15/42 from 8/75
8/75 - 15/42 is -263/1050.
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,
8/75 = 8 × 14/75 × 14 = 112/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
15/42 = 15 × 25/42 × 25 = 375/1050 - Subtract the two like fractions:
112/1050 - 375/1050 = 112 - 375/1050 = -263/1050
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/75-15/42 8/75-30/42 8/75-15/84 24/75-15/42 8/75-45/42 40/75-15/42 8/75-75/42 56/75-15/42