Subtract 90/63 from 6/84
1st number: 6/84, 2nd number: 1 27/63
6/84 - 90/63 is -19/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
6/84 = 6 × 3/84 × 3 = 18/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
90/63 = 90 × 4/63 × 4 = 360/252 - Subtract the two like fractions:
18/252 - 360/252 = 18 - 360/252 = -342/252 - After reducing the fraction, the answer is -19/14
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