Subtract 9/70 from 18/3
1st number: 6 0/3, 2nd number: 9/70
18/3 - 9/70 is 411/70.
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,
18/3 = 18 × 70/3 × 70 = 1260/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
9/70 = 9 × 3/70 × 3 = 27/210 - Subtract the two like fractions:
1260/210 - 27/210 = 1260 - 27/210 = 1233/210 - After reducing the fraction, the answer is 411/70
- In mixed form: 561/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/3-9/70 18/3-18/70 18/6-9/70 54/3-9/70 18/3-27/70 18/9-9/70 90/3-9/70 18/3-45/70 18/15-9/70 18/3-63/70 18/21-9/70