Subtract 10/54 from 42/2
1st number: 21 0/2, 2nd number: 10/54
42/2 - 10/54 is 562/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 2 × 27 = 54,
42/2 = 42 × 27/2 × 27 = 1134/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
10/54 = 10 × 1/54 × 1 = 10/54 - Subtract the two like fractions:
1134/54 - 10/54 = 1134 - 10/54 = 1124/54 - After reducing the fraction, the answer is 562/27
- In mixed form: 2022/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/2-10/54 42/2-20/54 42/4-10/54 42/2-30/54 42/6-10/54 42/2-50/54 42/10-10/54 42/2-70/54 42/14-10/54