Subtract 84/90 from 48/63
48/63 - 84/90 is -6/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
48/63 = 48 × 10/63 × 10 = 480/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
84/90 = 84 × 7/90 × 7 = 588/630 - Subtract the two like fractions:
480/630 - 588/630 = 480 - 588/630 = -108/630 - After reducing the fraction, the answer is -6/35
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Related: 96/63-84/90