Subtract 2/18 from 54/72
54/72 - 2/18 is 23/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
54/72 = 54 × 1/72 × 1 = 54/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
2/18 = 2 × 4/18 × 4 = 8/72 - Subtract the two like fractions:
54/72 - 8/72 = 54 - 8/72 = 46/72 - After reducing the fraction, the answer is 23/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/72-4/18 54/72-2/36 54/72-6/18 54/72-2/54 54/72-10/18 54/72-2/90 54/72-14/18