Subtract 9/21 from 84/63
1st number: 1 21/63, 2nd number: 9/21
84/63 - 9/21 is 19/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 21 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
84/63 = 84 × 1/63 × 1 = 84/63 - Likewise, for the 2nd fraction, since 21 × 3 = 63,
9/21 = 9 × 3/21 × 3 = 27/63 - Subtract the two like fractions:
84/63 - 27/63 = 84 - 27/63 = 57/63 - After reducing the fraction, the answer is 19/21
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