Subtract 10/40 from 8/2
1st number: 4 0/2, 2nd number: 10/40
8/2 - 10/40 is 15/4.
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,
8/2 = 8 × 20/2 × 20 = 160/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
10/40 = 10 × 1/40 × 1 = 10/40 - Subtract the two like fractions:
160/40 - 10/40 = 160 - 10/40 = 150/40 - After reducing the fraction, the answer is 15/4
- In mixed form: 33/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/2-10/40 8/2-20/40 8/4-10/40 8/2-10/80 24/2-10/40 8/2-30/40 8/6-10/40 40/2-10/40 8/2-50/40 8/10-10/40 56/2-10/40 8/2-70/40 8/14-10/40