Subtract 27/10 from 84/4
1st number: 21 0/4, 2nd number: 2 7/10
84/4 - 27/10 is 183/10.
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,
27/10 = 27 × 2/10 × 2 = 54/20 - Subtract the two like fractions:
420/20 - 54/20 = 420 - 54/20 = 366/20 - After reducing the fraction, the answer is 183/10
- In mixed form: 183/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4-54/10 84/8-27/10 84/4-27/20 84/4-81/10 84/12-27/10 84/4-27/30 84/20-27/10 84/4-27/50 84/28-27/10 84/4-27/70