Subtract 70/84 from 90/6
1st number: 15 0/6, 2nd number: 70/84
90/6 - 70/84 is 85/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 6 × 14 = 84,
90/6 = 90 × 14/6 × 14 = 1260/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
70/84 = 70 × 1/84 × 1 = 70/84 - Subtract the two like fractions:
1260/84 - 70/84 = 1260 - 70/84 = 1190/84 - After reducing the fraction, the answer is 85/6
- In mixed form: 141/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/12-70/84 90/18-70/84 90/30-70/84 90/42-70/84