Subtract 20/90 from 1/14
1/14 - 20/90 is -19/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
1/14 = 1 × 45/14 × 45 = 45/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
20/90 = 20 × 7/90 × 7 = 140/630 - Subtract the two like fractions:
45/630 - 140/630 = 45 - 140/630 = -95/630 - After reducing the fraction, the answer is -19/126
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