Subtract 75/42 from 8/6
1st number: 1 2/6, 2nd number: 1 33/42
8/6 - 75/42 is -19/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
8/6 = 8 × 7/6 × 7 = 56/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
75/42 = 75 × 1/42 × 1 = 75/42 - Subtract the two like fractions:
56/42 - 75/42 = 56 - 75/42 = -19/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/6-75/42 8/12-75/42 8/6-75/84 24/6-75/42 8/18-75/42 40/6-75/42 8/30-75/42 56/6-75/42 8/42-75/42