Subtract 28/70 from 30/5
1st number: 6 0/5, 2nd number: 28/70
30/5 - 28/70 is 28/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 5 × 14 = 70,
30/5 = 30 × 14/5 × 14 = 420/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
28/70 = 28 × 1/70 × 1 = 28/70 - Subtract the two like fractions:
420/70 - 28/70 = 420 - 28/70 = 392/70 - After reducing the fraction, the answer is 28/5
- In mixed form: 53/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/5-28/70 30/5-56/70 30/10-28/70 90/5-28/70 30/5-84/70 30/15-28/70 30/25-28/70 30/35-28/70