Subtract 15/27 from 9/45
9/45 - 15/27 is -16/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 45 × 3 = 135,
9/45 = 9 × 3/45 × 3 = 27/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
15/27 = 15 × 5/27 × 5 = 75/135 - Subtract the two like fractions:
27/135 - 75/135 = 27 - 75/135 = -48/135 - After reducing the fraction, the answer is -16/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/45-15/27 9/45-30/27 9/90-15/27 9/45-15/54 27/45-15/27 9/45-45/27 9/45-15/81 9/45-75/27 63/45-15/27