Subtract 6/8 from 84/4
1st number: 21 0/4, 2nd number: 6/8
84/4 - 6/8 is 81/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 4 × 2 = 8,
84/4 = 84 × 2/4 × 2 = 168/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
6/8 = 6 × 1/8 × 1 = 6/8 - Subtract the two like fractions:
168/8 - 6/8 = 168 - 6/8 = 162/8 - After reducing the fraction, the answer is 81/4
- In mixed form: 201/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4-12/8 84/8-6/8 84/4-6/16 84/4-18/8 84/12-6/8 84/4-6/24 84/4-30/8 84/20-6/8 84/4-6/40 84/4-42/8 84/28-6/8 84/4-6/56