Subtract 54/42 from 24/2
1st number: 12 0/2, 2nd number: 1 12/42
24/2 - 54/42 is 75/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
24/2 = 24 × 21/2 × 21 = 504/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
54/42 = 54 × 1/42 × 1 = 54/42 - Subtract the two like fractions:
504/42 - 54/42 = 504 - 54/42 = 450/42 - After reducing the fraction, the answer is 75/7
- In mixed form: 105/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/2-54/42 24/4-54/42 24/2-54/84 72/2-54/42 24/6-54/42 24/10-54/42 24/14-54/42