Subtract 75/50 from 42/75
1st number: 42/75, 2nd number: 1 25/50
42/75 - 75/50 is -47/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
42/75 = 42 × 2/75 × 2 = 84/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
75/50 = 75 × 3/50 × 3 = 225/150 - Subtract the two like fractions:
84/150 - 225/150 = 84 - 225/150 = -141/150 - After reducing the fraction, the answer is -47/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/75-75/50