Subtract 54/45 from 9/16
1st number: 9/16, 2nd number: 1 9/45
9/16 - 54/45 is -51/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
9/16 = 9 × 45/16 × 45 = 405/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
54/45 = 54 × 16/45 × 16 = 864/720 - Subtract the two like fractions:
405/720 - 864/720 = 405 - 864/720 = -459/720 - After reducing the fraction, the answer is -51/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/16-54/45 9/32-54/45 9/16-54/90 27/16-54/45 9/48-54/45 45/16-54/45 9/80-54/45 63/16-54/45