Subtract 20/80 from 8/24
8/24 - 20/80 is 1/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 24 × 10 = 240,
8/24 = 8 × 10/24 × 10 = 80/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
20/80 = 20 × 3/80 × 3 = 60/240 - Subtract the two like fractions:
80/240 - 60/240 = 80 - 60/240 = 20/240 - After reducing the fraction, the answer is 1/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/24-20/80 8/24-40/80 8/48-20/80 8/24-60/80 8/72-20/80 40/24-20/80 56/24-20/80