Subtract 27/35 from 20/27
20/27 - 27/35 is -29/945.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 35 is 945
Next, find the equivalent fraction of both fractional numbers with denominator 945 - For the 1st fraction, since 27 × 35 = 945,
20/27 = 20 × 35/27 × 35 = 700/945 - Likewise, for the 2nd fraction, since 35 × 27 = 945,
27/35 = 27 × 27/35 × 27 = 729/945 - Subtract the two like fractions:
700/945 - 729/945 = 700 - 729/945 = -29/945
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/27-27/35 20/27-54/35 20/54-27/35 20/27-27/70 60/27-27/35 20/27-81/35 20/81-27/35