Subtract 90/6 from 63/90
1st number: 63/90, 2nd number: 15 0/6
63/90 - 90/6 is -143/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 6 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
63/90 = 63 × 1/90 × 1 = 63/90 - Likewise, for the 2nd fraction, since 6 × 15 = 90,
90/6 = 90 × 15/6 × 15 = 1350/90 - Subtract the two like fractions:
63/90 - 1350/90 = 63 - 1350/90 = -1287/90 - After reducing the fraction, the answer is -143/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/90-90/12 63/90-90/18 63/90-90/30 63/90-90/42