Subtract 81/6 from 5/4
1st number: 1 1/4, 2nd number: 13 3/6
5/4 - 81/6 is -49/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 6 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
5/4 = 5 × 3/4 × 3 = 15/12 - Likewise, for the 2nd fraction, since 6 × 2 = 12,
81/6 = 81 × 2/6 × 2 = 162/12 - Subtract the two like fractions:
15/12 - 162/12 = 15 - 162/12 = -147/12 - After reducing the fraction, the answer is -49/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/4-81/6 5/8-81/6 5/4-81/12 15/4-81/6 5/12-81/6 5/4-81/18 25/4-81/6 5/20-81/6 5/4-81/30 35/4-81/6 5/28-81/6 5/4-81/42