Subtract 81/84 from 84/18
1st number: 4 12/18, 2nd number: 81/84
84/18 - 81/84 is 311/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
84/18 = 84 × 14/18 × 14 = 1176/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
81/84 = 81 × 3/84 × 3 = 243/252 - Subtract the two like fractions:
1176/252 - 243/252 = 1176 - 243/252 = 933/252 - After reducing the fraction, the answer is 311/84
- In mixed form: 359/84
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