Subtract 81/4 from 7/12
1st number: 7/12, 2nd number: 20 1/4
7/12 - 81/4 is -59/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 12 × 1 = 12,
7/12 = 7 × 1/12 × 1 = 7/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
81/4 = 81 × 3/4 × 3 = 243/12 - Subtract the two like fractions:
7/12 - 243/12 = 7 - 243/12 = -236/12 - After reducing the fraction, the answer is -59/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/12-81/4 7/24-81/4 7/12-81/8 21/12-81/4 7/36-81/4 7/12-81/12 35/12-81/4 7/60-81/4 7/12-81/20 49/12-81/4 7/84-81/4 7/12-81/28