Subtract 10/84 from 30/9
1st number: 3 3/9, 2nd number: 10/84
30/9 - 10/84 is 45/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
30/9 = 30 × 28/9 × 28 = 840/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
10/84 = 10 × 3/84 × 3 = 30/252 - Subtract the two like fractions:
840/252 - 30/252 = 840 - 30/252 = 810/252 - After reducing the fraction, the answer is 45/14
- In mixed form: 33/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/9-10/84 30/9-20/84 30/18-10/84 90/9-10/84 30/9-30/84 30/27-10/84 30/9-50/84 30/45-10/84 30/9-70/84 30/63-10/84