Subtract 81/4 from 54/2
1st number: 27 0/2, 2nd number: 20 1/4
54/2 - 81/4 is 27/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 4 is 4
Next, find the equivalent fraction of both fractional numbers with denominator 4 - For the 1st fraction, since 2 × 2 = 4,
54/2 = 54 × 2/2 × 2 = 108/4 - Likewise, for the 2nd fraction, since 4 × 1 = 4,
81/4 = 81 × 1/4 × 1 = 81/4 - Subtract the two like fractions:
108/4 - 81/4 = 108 - 81/4 = 27/4 - In mixed form: 63/4
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