Subtract 12/10 from 84/5
1st number: 16 4/5, 2nd number: 1 2/10
84/5 - 12/10 is 78/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 5 × 2 = 10,
84/5 = 84 × 2/5 × 2 = 168/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
12/10 = 12 × 1/10 × 1 = 12/10 - Subtract the two like fractions:
168/10 - 12/10 = 168 - 12/10 = 156/10 - After reducing the fraction, the answer is 78/5
- In mixed form: 153/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/5-24/10 84/10-12/10 84/5-12/20 84/5-36/10 84/15-12/10 84/5-12/30 84/5-60/10 84/25-12/10 84/5-12/50 84/5-84/10 84/35-12/10 84/5-12/70