Subtract 21/36 from 84/2
1st number: 42 0/2, 2nd number: 21/36
84/2 - 21/36 is 497/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 2 × 18 = 36,
84/2 = 84 × 18/2 × 18 = 1512/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
21/36 = 21 × 1/36 × 1 = 21/36 - Subtract the two like fractions:
1512/36 - 21/36 = 1512 - 21/36 = 1491/36 - After reducing the fraction, the answer is 497/12
- In mixed form: 415/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/2-42/36 84/4-21/36 84/2-21/72 84/2-63/36 84/6-21/36 84/10-21/36 84/14-21/36