Subtract 20/10 from 9/54
1st number: 9/54, 2nd number: 2 0/10
9/54 - 20/10 is -11/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 10 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
9/54 = 9 × 5/54 × 5 = 45/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
20/10 = 20 × 27/10 × 27 = 540/270 - Subtract the two like fractions:
45/270 - 540/270 = 45 - 540/270 = -495/270 - After reducing the fraction, the answer is -11/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/54-20/10 9/54-40/10 27/54-20/10 9/54-60/10 9/54-20/30 45/54-20/10 9/54-20/50 63/54-20/10 9/54-20/70