Subtract 35/12 from 42/24
1st number: 1 18/24, 2nd number: 2 11/12
42/24 - 35/12 is -7/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 12 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 12 × 2 = 24,
35/12 = 35 × 2/12 × 2 = 70/24 - Subtract the two like fractions:
42/24 - 70/24 = 42 - 70/24 = -28/24 - After reducing the fraction, the answer is -7/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/24-35/12 42/24-70/12 42/48-35/12 42/24-35/24 42/72-35/12 42/24-35/36 42/24-35/60 42/24-35/84