Subtract 70/5 from 80/20
1st number: 4 0/20, 2nd number: 14 0/5
80/20 - 70/5 is -10/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
80/20 = 80 × 1/20 × 1 = 80/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
70/5 = 70 × 4/5 × 4 = 280/20 - Subtract the two like fractions:
80/20 - 280/20 = 80 - 280/20 = -200/20 - After reducing the fraction, the answer is -10/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/40-70/5 80/20-70/10 80/60-70/5 80/20-70/15 80/20-70/25 80/20-70/35