Subtract 40/45 from 5/27
5/27 - 40/45 is -19/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 45 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
5/27 = 5 × 5/27 × 5 = 25/135 - Likewise, for the 2nd fraction, since 45 × 3 = 135,
40/45 = 40 × 3/45 × 3 = 120/135 - Subtract the two like fractions:
25/135 - 120/135 = 25 - 120/135 = -95/135 - After reducing the fraction, the answer is -19/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/27-40/45 5/27-80/45 5/54-40/45 5/27-40/90 15/27-40/45 5/81-40/45 25/27-40/45 35/27-40/45