Subtract 21/6 from 35/4
1st number: 8 3/4, 2nd number: 3 3/6
35/4 - 21/6 is 21/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 6 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
35/4 = 35 × 3/4 × 3 = 105/12 - Likewise, for the 2nd fraction, since 6 × 2 = 12,
21/6 = 21 × 2/6 × 2 = 42/12 - Subtract the two like fractions:
105/12 - 42/12 = 105 - 42/12 = 63/12 - After reducing the fraction, the answer is 21/4
- In mixed form: 51/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/4-21/6 35/4-42/6 35/8-21/6 35/4-21/12 35/4-63/6 35/12-21/6 35/4-21/18 35/20-21/6 35/4-21/30 35/28-21/6 35/4-21/42