Subtract 18/27 from 4/16
4/16 - 18/27 is -5/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 27 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 16 × 27 = 432,
4/16 = 4 × 27/16 × 27 = 108/432 - Likewise, for the 2nd fraction, since 27 × 16 = 432,
18/27 = 18 × 16/27 × 16 = 288/432 - Subtract the two like fractions:
108/432 - 288/432 = 108 - 288/432 = -180/432 - After reducing the fraction, the answer is -5/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/16-18/27 4/16-36/27 4/32-18/27 4/16-18/54 12/16-18/27 4/16-54/27 4/48-18/27 4/16-18/81 20/16-18/27 4/16-90/27 4/80-18/27 28/16-18/27