Subtract 42/24 from 28/48
1st number: 28/48, 2nd number: 1 18/24
28/48 - 42/24 is -7/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 24 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 48 × 1 = 48,
28/48 = 28 × 1/48 × 1 = 28/48 - Likewise, for the 2nd fraction, since 24 × 2 = 48,
42/24 = 42 × 2/24 × 2 = 84/48 - Subtract the two like fractions:
28/48 - 84/48 = 28 - 84/48 = -56/48 - 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: 56/48-42/24 28/48-84/24 28/96-42/24 28/48-42/48 84/48-42/24 28/48-42/72