Subtract 10/4 from 30/2
1st number: 15 0/2, 2nd number: 2 2/4
30/2 - 10/4 is 25/2.
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,
10/4 = 10 × 1/4 × 1 = 10/4 - Subtract the two like fractions:
60/4 - 10/4 = 60 - 10/4 = 50/4 - After reducing the fraction, the answer is 25/2
- In mixed form: 121/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2-10/4 30/2-20/4 30/4-10/4 30/2-10/8 90/2-10/4 30/2-30/4 30/6-10/4 30/2-10/12 30/2-50/4 30/10-10/4 30/2-10/20 30/2-70/4 30/14-10/4 30/2-10/28