Subtract 45/5 from 54/36
1st number: 1 18/36, 2nd number: 9 0/5
54/36 - 45/5 is -15/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 5 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
54/36 = 54 × 5/36 × 5 = 270/180 - Likewise, for the 2nd fraction, since 5 × 36 = 180,
45/5 = 45 × 36/5 × 36 = 1620/180 - Subtract the two like fractions:
270/180 - 1620/180 = 270 - 1620/180 = -1350/180 - After reducing the fraction, the answer is -15/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/36-90/5 54/72-45/5 54/36-45/10 54/36-45/15 54/36-45/25 54/36-45/35