Subtract 20/4 from 30/2
1st number: 15 0/2, 2nd number: 5 0/4
30/2 - 20/4 is 10/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 4 is 4
Next, find the equivalent fraction of both fractional numbers with denominator 4 - For the 1st fraction, since 2 × 2 = 4,
30/2 = 30 × 2/2 × 2 = 60/4 - Likewise, for the 2nd fraction, since 4 × 1 = 4,
20/4 = 20 × 1/4 × 1 = 20/4 - Subtract the two like fractions:
60/4 - 20/4 = 60 - 20/4 = 40/4 - After reducing the fraction, the answer is 10/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2-20/4 30/2-40/4 30/4-20/4 30/2-20/8 90/2-20/4 30/2-60/4 30/6-20/4 30/2-20/12 30/10-20/4 30/14-20/4 30/2-20/28