Subtract 18/9 from 54/4
1st number: 13 2/4, 2nd number: 2 0/9
54/4 - 18/9 is 23/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
54/4 = 54 × 9/4 × 9 = 486/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
18/9 = 18 × 4/9 × 4 = 72/36 - Subtract the two like fractions:
486/36 - 72/36 = 486 - 72/36 = 414/36 - After reducing the fraction, the answer is 23/2
- In mixed form: 111/2
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