Subtract 6/10 from 84/4
1st number: 21 0/4, 2nd number: 6/10
84/4 - 6/10 is 102/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
84/4 = 84 × 5/4 × 5 = 420/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
6/10 = 6 × 2/10 × 2 = 12/20 - Subtract the two like fractions:
420/20 - 12/20 = 420 - 12/20 = 408/20 - After reducing the fraction, the answer is 102/5
- In mixed form: 202/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4-12/10 84/8-6/10 84/4-6/20 84/4-18/10 84/12-6/10 84/4-6/30 84/4-30/10 84/20-6/10 84/4-6/50 84/4-42/10 84/28-6/10 84/4-6/70