Subtract 90/6 from 70/12
1st number: 5 10/12, 2nd number: 15 0/6
70/12 - 90/6 is -55/6.
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,
70/12 = 70 × 1/12 × 1 = 70/12 - Likewise, for the 2nd fraction, since 6 × 2 = 12,
90/6 = 90 × 2/6 × 2 = 180/12 - Subtract the two like fractions:
70/12 - 180/12 = 70 - 180/12 = -110/12 - After reducing the fraction, the answer is -55/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/24-90/6 70/12-90/12 70/36-90/6 70/12-90/18 70/60-90/6 70/12-90/30 70/84-90/6 70/12-90/42