Subtract 70/84 from 30/5
1st number: 6 0/5, 2nd number: 70/84
30/5 - 70/84 is 31/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 5 × 84 = 420,
30/5 = 30 × 84/5 × 84 = 2520/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
70/84 = 70 × 5/84 × 5 = 350/420 - Subtract the two like fractions:
2520/420 - 350/420 = 2520 - 350/420 = 2170/420 - After reducing the fraction, the answer is 31/6
- In mixed form: 51/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/5-70/84 30/10-70/84 90/5-70/84 30/15-70/84 30/25-70/84 30/35-70/84