Subtract 81/84 from 84/16
1st number: 5 4/16, 2nd number: 81/84
84/16 - 81/84 is 30/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 84 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
84/16 = 84 × 21/16 × 21 = 1764/336 - Likewise, for the 2nd fraction, since 84 × 4 = 336,
81/84 = 81 × 4/84 × 4 = 324/336 - Subtract the two like fractions:
1764/336 - 324/336 = 1764 - 324/336 = 1440/336 - After reducing the fraction, the answer is 30/7
- In mixed form: 42/7
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