Subtract 48/6 from 90/12
1st number: 7 6/12, 2nd number: 8 0/6
90/12 - 48/6 is -1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 6 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 12 × 1 = 12,
90/12 = 90 × 1/12 × 1 = 90/12 - Likewise, for the 2nd fraction, since 6 × 2 = 12,
48/6 = 48 × 2/6 × 2 = 96/12 - Subtract the two like fractions:
90/12 - 96/12 = 90 - 96/12 = -6/12 - After reducing the fraction, the answer is -1/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/12-96/6 90/24-48/6 90/12-48/12 90/36-48/6 90/12-48/18 90/60-48/6 90/12-48/30 90/84-48/6 90/12-48/42