Subtract 81/4 from 12/16
1st number: 12/16, 2nd number: 20 1/4
12/16 - 81/4 is -39/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 4 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 16 × 1 = 16,
12/16 = 12 × 1/16 × 1 = 12/16 - Likewise, for the 2nd fraction, since 4 × 4 = 16,
81/4 = 81 × 4/4 × 4 = 324/16 - Subtract the two like fractions:
12/16 - 324/16 = 12 - 324/16 = -312/16 - After reducing the fraction, the answer is -39/2
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