Subtract 30/15 from 5/27
1st number: 5/27, 2nd number: 2 0/15
5/27 - 30/15 is -49/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 15 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 15 × 9 = 135,
30/15 = 30 × 9/15 × 9 = 270/135 - Subtract the two like fractions:
25/135 - 270/135 = 25 - 270/135 = -245/135 - After reducing the fraction, the answer is -49/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/27-30/15 5/27-60/15 5/54-30/15 15/27-30/15 5/27-90/15 5/81-30/15 5/27-30/45 25/27-30/15 5/27-30/75 35/27-30/15