Subtract 1/8 from 42/24
1st number: 1 18/24, 2nd number: 1/8
42/24 - 1/8 is 13/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 8 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 8 × 3 = 24,
1/8 = 1 × 3/8 × 3 = 3/24 - Subtract the two like fractions:
42/24 - 3/24 = 42 - 3/24 = 39/24 - After reducing the fraction, the answer is 13/8
- In mixed form: 15/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/24-1/8 42/24-2/8 42/48-1/8 42/24-1/16 42/24-3/8 42/72-1/8 42/24-1/24 42/24-5/8 42/24-1/40 42/24-7/8 42/24-1/56