Subtract 63/6 from 27/90
1st number: 27/90, 2nd number: 10 3/6
27/90 - 63/6 is -51/5.
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,
27/90 = 27 × 1/90 × 1 = 27/90 - Likewise, for the 2nd fraction, since 6 × 15 = 90,
63/6 = 63 × 15/6 × 15 = 945/90 - Subtract the two like fractions:
27/90 - 945/90 = 27 - 945/90 = -918/90 - After reducing the fraction, the answer is -51/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/90-63/6 27/90-63/12 81/90-63/6 27/90-63/18 27/90-63/30 27/90-63/42