Subtract 84/70 from 12/3
1st number: 4 0/3, 2nd number: 1 14/70
12/3 - 84/70 is 14/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 3 × 70 = 210,
12/3 = 12 × 70/3 × 70 = 840/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
84/70 = 84 × 3/70 × 3 = 252/210 - Subtract the two like fractions:
840/210 - 252/210 = 840 - 252/210 = 588/210 - After reducing the fraction, the answer is 14/5
- In mixed form: 24/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/3-84/70 12/6-84/70 36/3-84/70 12/9-84/70 60/3-84/70 12/15-84/70 84/3-84/70 12/21-84/70