Subtract 4/12 from 42/48
42/48 - 4/12 is 13/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 12 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 48 × 1 = 48,
42/48 = 42 × 1/48 × 1 = 42/48 - Likewise, for the 2nd fraction, since 12 × 4 = 48,
4/12 = 4 × 4/12 × 4 = 16/48 - Subtract the two like fractions:
42/48 - 16/48 = 42 - 16/48 = 26/48 - After reducing the fraction, the answer is 13/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/48-4/12 42/48-8/12 42/96-4/12 42/48-4/24 42/48-4/36 42/48-20/12 42/48-4/60 42/48-28/12 42/48-4/84