Subtract 9/6 from 84/63
1st number: 1 21/63, 2nd number: 1 3/6
84/63 - 9/6 is -1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 6 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
84/63 = 84 × 2/63 × 2 = 168/126 - Likewise, for the 2nd fraction, since 6 × 21 = 126,
9/6 = 9 × 21/6 × 21 = 189/126 - Subtract the two like fractions:
168/126 - 189/126 = 168 - 189/126 = -21/126 - After reducing the fraction, the answer is -1/6
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