Subtract 9/70 from 84/18
1st number: 4 12/18, 2nd number: 9/70
84/18 - 9/70 is 953/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
84/18 = 84 × 35/18 × 35 = 2940/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
9/70 = 9 × 9/70 × 9 = 81/630 - Subtract the two like fractions:
2940/630 - 81/630 = 2940 - 81/630 = 2859/630 - After reducing the fraction, the answer is 953/210
- In mixed form: 4113/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18-18/70 84/36-9/70 84/18-27/70 84/54-9/70 84/18-45/70 84/90-9/70 84/18-63/70