Subtract 15/14 from 18/4
1st number: 4 2/4, 2nd number: 1 1/14
18/4 - 15/14 is 24/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 14 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
18/4 = 18 × 7/4 × 7 = 126/28 - Likewise, for the 2nd fraction, since 14 × 2 = 28,
15/14 = 15 × 2/14 × 2 = 30/28 - Subtract the two like fractions:
126/28 - 30/28 = 126 - 30/28 = 96/28 - After reducing the fraction, the answer is 24/7
- In mixed form: 33/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/4-15/14 18/4-30/14 18/8-15/14 18/4-15/28 54/4-15/14 18/4-45/14 18/12-15/14 18/4-15/42 90/4-15/14 18/4-75/14 18/20-15/14 18/4-15/70 18/28-15/14 18/4-15/98