Subtract 28/70 from 70/25
1st number: 2 20/25, 2nd number: 28/70
70/25 - 28/70 is 12/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 70 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 25 × 14 = 350,
70/25 = 70 × 14/25 × 14 = 980/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
28/70 = 28 × 5/70 × 5 = 140/350 - Subtract the two like fractions:
980/350 - 140/350 = 980 - 140/350 = 840/350 - After reducing the fraction, the answer is 12/5
- In mixed form: 22/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/25-56/70 70/50-28/70 70/25-84/70 70/75-28/70