Subtract 35/21 from 84/2
1st number: 42 0/2, 2nd number: 1 14/21
84/2 - 35/21 is 121/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
84/2 = 84 × 21/2 × 21 = 1764/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
35/21 = 35 × 2/21 × 2 = 70/42 - Subtract the two like fractions:
1764/42 - 70/42 = 1764 - 70/42 = 1694/42 - After reducing the fraction, the answer is 121/3
- In mixed form: 401/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/2-70/21 84/4-35/21 84/2-35/42 84/6-35/21 84/2-35/63 84/10-35/21 84/14-35/21