Subtract 75/27 from 2/90
1st number: 2/90, 2nd number: 2 21/27
2/90 - 75/27 is -124/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
2/90 = 2 × 3/90 × 3 = 6/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
75/27 = 75 × 10/27 × 10 = 750/270 - Subtract the two like fractions:
6/270 - 750/270 = 6 - 750/270 = -744/270 - After reducing the fraction, the answer is -124/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/90-75/27 2/90-75/54 6/90-75/27 2/90-75/81 10/90-75/27 14/90-75/27