Subtract 10/84 from 30/3
1st number: 10 0/3, 2nd number: 10/84
30/3 - 10/84 is 415/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 3 × 28 = 84,
30/3 = 30 × 28/3 × 28 = 840/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
10/84 = 10 × 1/84 × 1 = 10/84 - Subtract the two like fractions:
840/84 - 10/84 = 840 - 10/84 = 830/84 - After reducing the fraction, the answer is 415/42
- In mixed form: 937/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/3-10/84 30/3-20/84 30/6-10/84 90/3-10/84 30/3-30/84 30/9-10/84 30/3-50/84 30/15-10/84 30/3-70/84 30/21-10/84