Subtract 3/84 from 70/30
1st number: 2 10/30, 2nd number: 3/84
70/30 - 3/84 is 193/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
70/30 = 70 × 14/30 × 14 = 980/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
3/84 = 3 × 5/84 × 5 = 15/420 - Subtract the two like fractions:
980/420 - 15/420 = 980 - 15/420 = 965/420 - After reducing the fraction, the answer is 193/84
- In mixed form: 225/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/30-6/84 70/60-3/84 70/30-9/84 70/90-3/84 70/30-15/84 70/30-21/84