Subtract 36/9 from 54/45
1st number: 1 9/45, 2nd number: 4 0/9
54/45 - 36/9 is -14/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
54/45 = 54 × 1/45 × 1 = 54/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
36/9 = 36 × 5/9 × 5 = 180/45 - Subtract the two like fractions:
54/45 - 180/45 = 54 - 180/45 = -126/45 - After reducing the fraction, the answer is -14/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/45-72/9 54/90-36/9 54/45-36/18 54/45-36/27 54/45-36/45 54/45-36/63