Subtract 40/16 from 10/8
1st number: 1 2/8, 2nd number: 2 8/16
10/8 - 40/16 is -5/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 8 × 2 = 16,
10/8 = 10 × 2/8 × 2 = 20/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
40/16 = 40 × 1/16 × 1 = 40/16 - Subtract the two like fractions:
20/16 - 40/16 = 20 - 40/16 = -20/16 - After reducing the fraction, the answer is -5/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/8-40/16 10/8-80/16 10/16-40/16 10/8-40/32 30/8-40/16 10/24-40/16 10/8-40/48 50/8-40/16 10/40-40/16 10/8-40/80 70/8-40/16 10/56-40/16