Subtract 8/9 from 84/30
1st number: 2 24/30, 2nd number: 8/9
84/30 - 8/9 is 86/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
84/30 = 84 × 3/30 × 3 = 252/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
8/9 = 8 × 10/9 × 10 = 80/90 - Subtract the two like fractions:
252/90 - 80/90 = 252 - 80/90 = 172/90 - After reducing the fraction, the answer is 86/45
- In mixed form: 141/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30-16/9 84/60-8/9 84/30-8/18 84/30-24/9 84/90-8/9 84/30-8/27 84/30-40/9 84/30-8/45 84/30-56/9 84/30-8/63