Subtract 9/16 from 15/75
15/75 - 9/16 is -29/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 16 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 75 × 16 = 1200,
15/75 = 15 × 16/75 × 16 = 240/1200 - Likewise, for the 2nd fraction, since 16 × 75 = 1200,
9/16 = 9 × 75/16 × 75 = 675/1200 - Subtract the two like fractions:
240/1200 - 675/1200 = 240 - 675/1200 = -435/1200 - After reducing the fraction, the answer is -29/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/75-9/16 15/75-18/16 15/75-9/32 45/75-9/16 15/75-27/16 15/75-9/48 15/75-45/16 15/75-9/80 15/75-63/16