Subtract 90/12 from 56/4
1st number: 14 0/4, 2nd number: 7 6/12
56/4 - 90/12 is 13/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
56/4 = 56 × 3/4 × 3 = 168/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
90/12 = 90 × 1/12 × 1 = 90/12 - Subtract the two like fractions:
168/12 - 90/12 = 168 - 90/12 = 78/12 - After reducing the fraction, the answer is 13/2
- In mixed form: 61/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/8-90/12 56/4-90/24 56/12-90/12 56/4-90/36 56/20-90/12 56/4-90/60 56/28-90/12 56/4-90/84