Subtract 54/36 from 10/20
1st number: 10/20, 2nd number: 1 18/36
10/20 - 54/36 is -1/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
10/20 = 10 × 9/20 × 9 = 90/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
54/36 = 54 × 5/36 × 5 = 270/180 - Subtract the two like fractions:
90/180 - 270/180 = 90 - 270/180 = -180/180 - After reducing the fraction, the answer is -1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/40-54/36 10/20-54/72 30/20-54/36 10/60-54/36 50/20-54/36 70/20-54/36