Subtract 10/90 from 10/27
10/27 - 10/90 is 7/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 90 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
10/27 = 10 × 10/27 × 10 = 100/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
10/90 = 10 × 3/90 × 3 = 30/270 - Subtract the two like fractions:
100/270 - 30/270 = 100 - 30/270 = 70/270 - After reducing the fraction, the answer is 7/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/27-10/90 10/27-20/90 10/54-10/90 30/27-10/90 10/27-30/90 10/81-10/90 50/27-10/90 10/27-50/90 70/27-10/90 10/27-70/90