Subtract 15/14 from 18/8
1st number: 2 2/8, 2nd number: 1 1/14
18/8 - 15/14 is 33/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 14 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
18/8 = 18 × 7/8 × 7 = 126/56 - Likewise, for the 2nd fraction, since 14 × 4 = 56,
15/14 = 15 × 4/14 × 4 = 60/56 - Subtract the two like fractions:
126/56 - 60/56 = 126 - 60/56 = 66/56 - After reducing the fraction, the answer is 33/28
- In mixed form: 15/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/8-15/14 18/8-30/14 18/16-15/14 18/8-15/28 54/8-15/14 18/8-45/14 18/24-15/14 18/8-15/42 90/8-15/14 18/8-75/14 18/40-15/14 18/8-15/70 18/56-15/14 18/8-15/98