Subtract 12/4 from 40/8
1st number: 5 0/8, 2nd number: 3 0/4
40/8 - 12/4 is 2/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 4 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 8 × 1 = 8,
40/8 = 40 × 1/8 × 1 = 40/8 - Likewise, for the 2nd fraction, since 4 × 2 = 8,
12/4 = 12 × 2/4 × 2 = 24/8 - Subtract the two like fractions:
40/8 - 24/8 = 40 - 24/8 = 16/8 - After reducing the fraction, the answer is 2/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/8-12/4 40/8-24/4 40/16-12/4 40/8-12/8 40/8-36/4 40/24-12/4 40/8-60/4 40/8-12/20 40/8-84/4 40/56-12/4 40/8-12/28