Subtract 42/75 from 1/4
1/4 - 42/75 is -31/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 4 × 75 = 300,
1/4 = 1 × 75/4 × 75 = 75/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
42/75 = 42 × 4/75 × 4 = 168/300 - Subtract the two like fractions:
75/300 - 168/300 = 75 - 168/300 = -93/300 - After reducing the fraction, the answer is -31/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/4-42/75 1/4-84/75 1/8-42/75 3/4-42/75 1/12-42/75 5/4-42/75 1/20-42/75 7/4-42/75 1/28-42/75