Subtract 10/5 from 28/27
1st number: 1 1/27, 2nd number: 2 0/5
28/27 - 10/5 is -26/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 5 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
28/27 = 28 × 5/27 × 5 = 140/135 - Likewise, for the 2nd fraction, since 5 × 27 = 135,
10/5 = 10 × 27/5 × 27 = 270/135 - Subtract the two like fractions:
140/135 - 270/135 = 140 - 270/135 = -130/135 - After reducing the fraction, the answer is -26/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/27-10/5 28/27-20/5 28/54-10/5 84/27-10/5 28/27-30/5 28/81-10/5 28/27-10/15 28/27-50/5 28/27-10/25 28/27-70/5 28/27-10/35