Subtract 9/4 from 9/84
1st number: 9/84, 2nd number: 2 1/4
9/84 - 9/4 is -15/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
9/84 = 9 × 1/84 × 1 = 9/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
9/4 = 9 × 21/4 × 21 = 189/84 - Subtract the two like fractions:
9/84 - 189/84 = 9 - 189/84 = -180/84 - After reducing the fraction, the answer is -15/7
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