Subtract 9/15 from 84/10
1st number: 8 4/10, 2nd number: 9/15
84/10 - 9/15 is 39/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
84/10 = 84 × 3/10 × 3 = 252/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
9/15 = 9 × 2/15 × 2 = 18/30 - Subtract the two like fractions:
252/30 - 18/30 = 252 - 18/30 = 234/30 - After reducing the fraction, the answer is 39/5
- In mixed form: 74/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10-18/15 84/20-9/15 84/10-9/30 84/10-27/15 84/30-9/15 84/10-9/45 84/10-45/15 84/50-9/15 84/10-9/75 84/10-63/15 84/70-9/15