Subtract 3/27 from 15/45
15/45 - 3/27 is 2/9.
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,
15/45 = 15 × 3/45 × 3 = 45/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
3/27 = 3 × 5/27 × 5 = 15/135 - Subtract the two like fractions:
45/135 - 15/135 = 45 - 15/135 = 30/135 - After reducing the fraction, the answer is 2/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/45-3/27 15/45-6/27 15/90-3/27 15/45-3/54 15/45-9/27 15/45-3/81 75/45-3/27 15/45-15/27 15/45-21/27