Subtract 70/20 from 14/80
1st number: 14/80, 2nd number: 3 10/20
14/80 - 70/20 is -133/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
14/80 = 14 × 1/80 × 1 = 14/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
70/20 = 70 × 4/20 × 4 = 280/80 - Subtract the two like fractions:
14/80 - 280/80 = 14 - 280/80 = -266/80 - After reducing the fraction, the answer is -133/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/80-70/20 14/80-70/40 42/80-70/20 14/80-70/60 70/80-70/20 98/80-70/20