Subtract 10/80 from 8/16
8/16 - 10/80 is 3/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
8/16 = 8 × 5/16 × 5 = 40/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
10/80 = 10 × 1/80 × 1 = 10/80 - Subtract the two like fractions:
40/80 - 10/80 = 40 - 10/80 = 30/80 - After reducing the fraction, the answer is 3/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/16-20/80 8/32-10/80 24/16-10/80 8/16-30/80 8/48-10/80 40/16-10/80 8/16-50/80 8/80-10/80 56/16-10/80 8/16-70/80