Subtract 30/5 from 20/2
1st number: 10 0/2, 2nd number: 6 0/5
20/2 - 30/5 is 4/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
20/2 = 20 × 5/2 × 5 = 100/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
30/5 = 30 × 2/5 × 2 = 60/10 - Subtract the two like fractions:
100/10 - 60/10 = 100 - 60/10 = 40/10 - After reducing the fraction, the answer is 4/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/2-30/5 20/2-60/5 20/4-30/5 20/2-30/10 60/2-30/5 20/2-90/5 20/6-30/5 20/2-30/15 20/10-30/5 20/2-30/25 20/14-30/5 20/2-30/35