Subtract 9/24 from 42/48
42/48 - 9/24 is 1/2.
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,
42/48 = 42 × 1/48 × 1 = 42/48 - Likewise, for the 2nd fraction, since 24 × 2 = 48,
9/24 = 9 × 2/24 × 2 = 18/48 - Subtract the two like fractions:
42/48 - 18/48 = 42 - 18/48 = 24/48 - After reducing the fraction, the answer is 1/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/48-9/24 42/48-18/24 42/96-9/24 42/48-9/48 42/48-27/24 42/48-9/72 42/48-45/24 42/48-63/24