Subtract 72/6 from 42/24
1st number: 1 18/24, 2nd number: 12 0/6
42/24 - 72/6 is -41/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 6 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 6 × 4 = 24,
72/6 = 72 × 4/6 × 4 = 288/24 - Subtract the two like fractions:
42/24 - 288/24 = 42 - 288/24 = -246/24 - After reducing the fraction, the answer is -41/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/24-72/6 42/48-72/6 42/24-72/12 42/72-72/6 42/24-72/18 42/24-72/30 42/24-72/42