Subtract 42/75 from 18/2
1st number: 9 0/2, 2nd number: 42/75
18/2 - 42/75 is 211/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 75 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 2 × 75 = 150,
18/2 = 18 × 75/2 × 75 = 1350/150 - Likewise, for the 2nd fraction, since 75 × 2 = 150,
42/75 = 42 × 2/75 × 2 = 84/150 - Subtract the two like fractions:
1350/150 - 84/150 = 1350 - 84/150 = 1266/150 - After reducing the fraction, the answer is 211/25
- In mixed form: 811/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/2-42/75 18/2-84/75 18/4-42/75 54/2-42/75 18/6-42/75 90/2-42/75 18/10-42/75 18/14-42/75