Subtract 20/27 from 2/20
2/20 - 20/27 is -173/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
2/20 = 2 × 27/20 × 27 = 54/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
20/27 = 20 × 20/27 × 20 = 400/540 - Subtract the two like fractions:
54/540 - 400/540 = 54 - 400/540 = -346/540 - After reducing the fraction, the answer is -173/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/20-20/27 2/20-40/27 2/40-20/27 2/20-20/54 6/20-20/27 2/20-60/27 2/60-20/27 2/20-20/81 10/20-20/27 14/20-20/27