Subtract 18/70 from 90/6
1st number: 15 0/6, 2nd number: 18/70
90/6 - 18/70 is 516/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 6 × 35 = 210,
90/6 = 90 × 35/6 × 35 = 3150/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
18/70 = 18 × 3/70 × 3 = 54/210 - Subtract the two like fractions:
3150/210 - 54/210 = 3150 - 54/210 = 3096/210 - After reducing the fraction, the answer is 516/35
- In mixed form: 1426/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/6-36/70 90/12-18/70 90/6-54/70 90/18-18/70 90/6-90/70 90/30-18/70 90/42-18/70