Subtract 36/42 from 9/16
9/16 - 36/42 is -33/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 42 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
9/16 = 9 × 21/16 × 21 = 189/336 - Likewise, for the 2nd fraction, since 42 × 8 = 336,
36/42 = 36 × 8/42 × 8 = 288/336 - Subtract the two like fractions:
189/336 - 288/336 = 189 - 288/336 = -99/336 - After reducing the fraction, the answer is -33/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/16-36/42 9/16-72/42 9/32-36/42 9/16-36/84 27/16-36/42 9/48-36/42 45/16-36/42 9/80-36/42 63/16-36/42