Subtract 12/16 from 1/54
1/54 - 12/16 is -79/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 16 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 54 × 8 = 432,
1/54 = 1 × 8/54 × 8 = 8/432 - Likewise, for the 2nd fraction, since 16 × 27 = 432,
12/16 = 12 × 27/16 × 27 = 324/432 - Subtract the two like fractions:
8/432 - 324/432 = 8 - 324/432 = -316/432 - After reducing the fraction, the answer is -79/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/54-12/16 1/54-24/16 1/54-12/32 3/54-12/16 1/54-36/16 1/54-12/48 5/54-12/16 1/54-60/16 1/54-12/80 7/54-12/16 1/54-84/16