Subtract 70/25 from 2/20
1st number: 2/20, 2nd number: 2 20/25
2/20 - 70/25 is -27/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
2/20 = 2 × 5/20 × 5 = 10/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
70/25 = 70 × 4/25 × 4 = 280/100 - Subtract the two like fractions:
10/100 - 280/100 = 10 - 280/100 = -270/100 - After reducing the fraction, the answer is -27/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/20-70/25 2/40-70/25 2/20-70/50 6/20-70/25 2/60-70/25 2/20-70/75 10/20-70/25 14/20-70/25