Subtract 20/8 from 50/2
1st number: 25 0/2, 2nd number: 2 4/8
50/2 - 20/8 is 45/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 2 × 4 = 8,
50/2 = 50 × 4/2 × 4 = 200/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
20/8 = 20 × 1/8 × 1 = 20/8 - Subtract the two like fractions:
200/8 - 20/8 = 200 - 20/8 = 180/8 - After reducing the fraction, the answer is 45/2
- In mixed form: 221/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/2-40/8 50/4-20/8 50/2-20/16 50/2-60/8 50/6-20/8 50/2-20/24 50/10-20/8 50/2-20/40 50/14-20/8 50/2-20/56