Subtract 42/90 from 75/2
1st number: 37 1/2, 2nd number: 42/90
75/2 - 42/90 is 1111/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
75/2 = 75 × 45/2 × 45 = 3375/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
42/90 = 42 × 1/90 × 1 = 42/90 - Subtract the two like fractions:
3375/90 - 42/90 = 3375 - 42/90 = 3333/90 - After reducing the fraction, the answer is 1111/30
- In mixed form: 371/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/2-84/90 75/4-42/90 75/6-42/90 75/10-42/90 75/14-42/90