Subtract 21/27 from 14/16
14/16 - 21/27 is 7/72.
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,
14/16 = 14 × 27/16 × 27 = 378/432 - Likewise, for the 2nd fraction, since 27 × 16 = 432,
21/27 = 21 × 16/27 × 16 = 336/432 - Subtract the two like fractions:
378/432 - 336/432 = 378 - 336/432 = 42/432 - After reducing the fraction, the answer is 7/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/16-21/27 14/16-42/27 14/32-21/27 14/16-21/54 42/16-21/27 14/16-63/27 14/48-21/27 14/16-21/81 70/16-21/27 14/80-21/27 98/16-21/27