Subtract 9/3 from 42/24
1st number: 1 18/24, 2nd number: 3 0/3
42/24 - 9/3 is -5/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 3 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 24 × 1 = 24,
42/24 = 42 × 1/24 × 1 = 42/24 - Likewise, for the 2nd fraction, since 3 × 8 = 24,
9/3 = 9 × 8/3 × 8 = 72/24 - Subtract the two like fractions:
42/24 - 72/24 = 42 - 72/24 = -30/24 - After reducing the fraction, the answer is -5/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/24-9/3 42/24-18/3 42/48-9/3 42/24-9/6 42/24-27/3 42/72-9/3 42/24-45/3 42/24-9/15 42/24-63/3 42/24-9/21