Subtract 25/90 from 1/27
1/27 - 25/90 is -13/54.
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,
1/27 = 1 × 10/27 × 10 = 10/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
25/90 = 25 × 3/90 × 3 = 75/270 - Subtract the two like fractions:
10/270 - 75/270 = 10 - 75/270 = -65/270 - After reducing the fraction, the answer is -13/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/27-25/90 1/27-50/90 1/54-25/90 3/27-25/90 1/27-75/90 1/81-25/90 5/27-25/90 7/27-25/90