Subtract 3/27 from 20/5
1st number: 4 0/5, 2nd number: 3/27
20/5 - 3/27 is 35/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 5 × 27 = 135,
20/5 = 20 × 27/5 × 27 = 540/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
3/27 = 3 × 5/27 × 5 = 15/135 - Subtract the two like fractions:
540/135 - 15/135 = 540 - 15/135 = 525/135 - After reducing the fraction, the answer is 35/9
- In mixed form: 38/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/5-3/27 20/5-6/27 20/10-3/27 20/5-3/54 60/5-3/27 20/5-9/27 20/15-3/27 20/5-3/81 20/5-15/27 20/25-3/27 20/5-21/27 20/35-3/27