Subtract 10/40 from 40/2
1st number: 20 0/2, 2nd number: 10/40
40/2 - 10/40 is 79/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 2 × 20 = 40,
40/2 = 40 × 20/2 × 20 = 800/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
10/40 = 10 × 1/40 × 1 = 10/40 - Subtract the two like fractions:
800/40 - 10/40 = 800 - 10/40 = 790/40 - After reducing the fraction, the answer is 79/4
- In mixed form: 193/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/2-10/40 40/2-20/40 40/4-10/40 40/2-10/80 40/2-30/40 40/6-10/40 40/2-50/40 40/10-10/40 40/2-70/40 40/14-10/40