Subtract 3/54 from 12/16
12/16 - 3/54 is 25/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 54 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 16 × 27 = 432,
12/16 = 12 × 27/16 × 27 = 324/432 - Likewise, for the 2nd fraction, since 54 × 8 = 432,
3/54 = 3 × 8/54 × 8 = 24/432 - Subtract the two like fractions:
324/432 - 24/432 = 324 - 24/432 = 300/432 - After reducing the fraction, the answer is 25/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/16-3/54 12/16-6/54 12/32-3/54 36/16-3/54 12/16-9/54 12/48-3/54 60/16-3/54 12/16-15/54 12/80-3/54 84/16-3/54 12/16-21/54