Subtract 45/8 from 27/12
1st number: 2 3/12, 2nd number: 5 5/8
27/12 - 45/8 is -27/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
27/12 = 27 × 2/12 × 2 = 54/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
45/8 = 45 × 3/8 × 3 = 135/24 - Subtract the two like fractions:
54/24 - 135/24 = 54 - 135/24 = -81/24 - After reducing the fraction, the answer is -27/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12-45/8 27/12-90/8 27/24-45/8 27/12-45/16 81/12-45/8 27/36-45/8 27/12-45/24 27/60-45/8 27/12-45/40 27/84-45/8 27/12-45/56