Subtract 75/3 from 8/42
1st number: 8/42, 2nd number: 25 0/3
8/42 - 75/3 is -521/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 3 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
8/42 = 8 × 1/42 × 1 = 8/42 - Likewise, for the 2nd fraction, since 3 × 14 = 42,
75/3 = 75 × 14/3 × 14 = 1050/42 - Subtract the two like fractions:
8/42 - 1050/42 = 8 - 1050/42 = -1042/42 - After reducing the fraction, the answer is -521/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/42-75/3 8/84-75/3 8/42-75/6 24/42-75/3 8/42-75/9 40/42-75/3 8/42-75/15 56/42-75/3 8/42-75/21