Subtract 20/90 from 10/18
10/18 - 20/90 is 1/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
10/18 = 10 × 5/18 × 5 = 50/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
20/90 = 20 × 1/90 × 1 = 20/90 - Subtract the two like fractions:
50/90 - 20/90 = 50 - 20/90 = 30/90 - After reducing the fraction, the answer is 1/3
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