Subtract 18/56 from 30/54
30/54 - 18/56 is 59/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 56 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 54 × 28 = 1512,
30/54 = 30 × 28/54 × 28 = 840/1512 - Likewise, for the 2nd fraction, since 56 × 27 = 1512,
18/56 = 18 × 27/56 × 27 = 486/1512 - Subtract the two like fractions:
840/1512 - 486/1512 = 840 - 486/1512 = 354/1512 - After reducing the fraction, the answer is 59/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/54-18/56 30/54-36/56 90/54-18/56 30/54-54/56 30/54-90/56