Subtract 20/8 from 10/27
1st number: 10/27, 2nd number: 2 4/8
10/27 - 20/8 is -115/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 27 × 8 = 216,
10/27 = 10 × 8/27 × 8 = 80/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
20/8 = 20 × 27/8 × 27 = 540/216 - Subtract the two like fractions:
80/216 - 540/216 = 80 - 540/216 = -460/216 - After reducing the fraction, the answer is -115/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/27-20/8 10/27-40/8 10/54-20/8 10/27-20/16 30/27-20/8 10/27-60/8 10/81-20/8 10/27-20/24 50/27-20/8 10/27-20/40 70/27-20/8 10/27-20/56