Subtract 3/84 from 30/10
1st number: 3 0/10, 2nd number: 3/84
30/10 - 3/84 is 83/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 10 × 42 = 420,
30/10 = 30 × 42/10 × 42 = 1260/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
3/84 = 3 × 5/84 × 5 = 15/420 - Subtract the two like fractions:
1260/420 - 15/420 = 1260 - 15/420 = 1245/420 - After reducing the fraction, the answer is 83/28
- In mixed form: 227/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/10-3/84 30/10-6/84 30/20-3/84 90/10-3/84 30/10-9/84 30/10-15/84 30/50-3/84 30/10-21/84 30/70-3/84