Subtract 15/16 from 5/45
5/45 - 15/16 is -119/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 16 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
5/45 = 5 × 16/45 × 16 = 80/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
15/16 = 15 × 45/16 × 45 = 675/720 - Subtract the two like fractions:
80/720 - 675/720 = 80 - 675/720 = -595/720 - After reducing the fraction, the answer is -119/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/45-15/16 5/45-30/16 5/90-15/16 5/45-15/32 15/45-15/16 5/45-45/16 5/45-15/48 25/45-15/16 5/45-75/16 5/45-15/80 35/45-15/16