Subtract 56/63 from 2/90
2/90 - 56/63 is -13/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
2/90 = 2 × 7/90 × 7 = 14/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
56/63 = 56 × 10/63 × 10 = 560/630 - Subtract the two like fractions:
14/630 - 560/630 = 14 - 560/630 = -546/630 - After reducing the fraction, the answer is -13/15
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