Subtract 84/10 from 18/3
1st number: 6 0/3, 2nd number: 8 4/10
18/3 - 84/10 is -12/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 3 × 10 = 30,
18/3 = 18 × 10/3 × 10 = 180/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
84/10 = 84 × 3/10 × 3 = 252/30 - Subtract the two like fractions:
180/30 - 252/30 = 180 - 252/30 = -72/30 - After reducing the fraction, the answer is -12/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/3-84/10 18/6-84/10 18/3-84/20 54/3-84/10 18/9-84/10 18/3-84/30 90/3-84/10 18/15-84/10 18/3-84/50 18/21-84/10 18/3-84/70