Subtract 20/30 from 2/18
2/18 - 20/30 is -5/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
2/18 = 2 × 5/18 × 5 = 10/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
20/30 = 20 × 3/30 × 3 = 60/90 - Subtract the two like fractions:
10/90 - 60/90 = 10 - 60/90 = -50/90 - After reducing the fraction, the answer is -5/9
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