Subtract 27/42 from 54/24
1st number: 2 6/24, 2nd number: 27/42
54/24 - 27/42 is 45/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
54/24 = 54 × 7/24 × 7 = 378/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
27/42 = 27 × 4/42 × 4 = 108/168 - Subtract the two like fractions:
378/168 - 108/168 = 378 - 108/168 = 270/168 - After reducing the fraction, the answer is 45/28
- In mixed form: 117/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/24-54/42 54/48-27/42 54/24-27/84 54/24-81/42 54/72-27/42