Subtract 48/84 from 42/24
1st number: 1 18/24, 2nd number: 48/84
42/24 - 48/84 is 33/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
42/24 = 42 × 7/24 × 7 = 294/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
48/84 = 48 × 2/84 × 2 = 96/168 - Subtract the two like fractions:
294/168 - 96/168 = 294 - 96/168 = 198/168 - After reducing the fraction, the answer is 33/28
- In mixed form: 15/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/24-48/84 42/24-96/84 42/48-48/84 42/72-48/84