Subtract 30/4 from 10/2
1st number: 5 0/2, 2nd number: 7 2/4
10/2 - 30/4 is -5/2.
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,
10/2 = 10 × 2/2 × 2 = 20/4 - Likewise, for the 2nd fraction, since 4 × 1 = 4,
30/4 = 30 × 1/4 × 1 = 30/4 - Subtract the two like fractions:
20/4 - 30/4 = 20 - 30/4 = -10/4 - After reducing the fraction, the answer is -5/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/2-30/4 10/2-60/4 10/4-30/4 10/2-30/8 30/2-30/4 10/2-90/4 10/6-30/4 10/2-30/12 50/2-30/4 10/2-30/20 70/2-30/4 10/14-30/4 10/2-30/28