Subtract 75/42 from 1/4
1st number: 1/4, 2nd number: 1 33/42
1/4 - 75/42 is -43/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
1/4 = 1 × 21/4 × 21 = 21/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
75/42 = 75 × 2/42 × 2 = 150/84 - Subtract the two like fractions:
21/84 - 150/84 = 21 - 150/84 = -129/84 - After reducing the fraction, the answer is -43/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/4-75/42 1/8-75/42 1/4-75/84 3/4-75/42 1/12-75/42 5/4-75/42 1/20-75/42 7/4-75/42 1/28-75/42