Subtract 12/80 from 5/8
5/8 - 12/80 is 19/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 8 × 10 = 80,
5/8 = 5 × 10/8 × 10 = 50/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
12/80 = 12 × 1/80 × 1 = 12/80 - Subtract the two like fractions:
50/80 - 12/80 = 50 - 12/80 = 38/80 - After reducing the fraction, the answer is 19/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/8-12/80 5/8-24/80 5/16-12/80 15/8-12/80 5/8-36/80 5/24-12/80 25/8-12/80 5/8-60/80 5/40-12/80 35/8-12/80 5/8-84/80 5/56-12/80