Subtract 10/30 from 84/10
1st number: 8 4/10, 2nd number: 10/30
84/10 - 10/30 is 121/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 30 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 30 × 1 = 30,
10/30 = 10 × 1/30 × 1 = 10/30 - Subtract the two like fractions:
252/30 - 10/30 = 252 - 10/30 = 242/30 - After reducing the fraction, the answer is 121/15
- In mixed form: 81/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10-20/30 84/20-10/30 84/10-10/60 84/30-10/30 84/10-10/90 84/10-50/30 84/50-10/30 84/10-70/30 84/70-10/30