Subtract 8/45 from 28/27
1st number: 1 1/27, 2nd number: 8/45
28/27 - 8/45 is 116/135.
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,
28/27 = 28 × 5/27 × 5 = 140/135 - Likewise, for the 2nd fraction, since 45 × 3 = 135,
8/45 = 8 × 3/45 × 3 = 24/135 - Subtract the two like fractions:
140/135 - 24/135 = 140 - 24/135 = 116/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/27-8/45 28/27-16/45 28/54-8/45 28/27-8/90 84/27-8/45 28/27-24/45 28/81-8/45 28/27-40/45 28/27-56/45