Subtract 84/63 from 9/28
1st number: 9/28, 2nd number: 1 21/63
9/28 - 84/63 is -85/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
9/28 = 9 × 9/28 × 9 = 81/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
84/63 = 84 × 4/63 × 4 = 336/252 - Subtract the two like fractions:
81/252 - 336/252 = 81 - 336/252 = -255/252 - After reducing the fraction, the answer is -85/84
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