Subtract 16/4 from 15/2
1st number: 7 1/2, 2nd number: 4 0/4
15/2 - 16/4 is 7/2.
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,
15/2 = 15 × 2/2 × 2 = 30/4 - Likewise, for the 2nd fraction, since 4 × 1 = 4,
16/4 = 16 × 1/4 × 1 = 16/4 - Subtract the two like fractions:
30/4 - 16/4 = 30 - 16/4 = 14/4 - After reducing the fraction, the answer is 7/2
- In mixed form: 31/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2-16/4 15/2-32/4 15/4-16/4 15/2-16/8 45/2-16/4 15/2-48/4 15/6-16/4 15/2-16/12 75/2-16/4 15/2-80/4 15/10-16/4 15/2-16/20 15/14-16/4 15/2-16/28