Subtract 42/24 from 90/2
1st number: 45 0/2, 2nd number: 1 18/24
90/2 - 42/24 is 173/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 2 × 12 = 24,
90/2 = 90 × 12/2 × 12 = 1080/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
42/24 = 42 × 1/24 × 1 = 42/24 - Subtract the two like fractions:
1080/24 - 42/24 = 1080 - 42/24 = 1038/24 - After reducing the fraction, the answer is 173/4
- In mixed form: 431/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/2-84/24 90/4-42/24 90/2-42/48 90/6-42/24 90/2-42/72 90/10-42/24 90/14-42/24