Subtract 56/16 from 28/54
1st number: 28/54, 2nd number: 3 8/16
28/54 - 56/16 is -161/54.
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,
28/54 = 28 × 8/54 × 8 = 224/432 - Likewise, for the 2nd fraction, since 16 × 27 = 432,
56/16 = 56 × 27/16 × 27 = 1512/432 - Subtract the two like fractions:
224/432 - 1512/432 = 224 - 1512/432 = -1288/432 - After reducing the fraction, the answer is -161/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/54-56/16 28/54-56/32 84/54-56/16 28/54-56/48 28/54-56/80