Subtract 18/20 from 2/3
2/3 - 18/20 is -7/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 3 × 20 = 60,
2/3 = 2 × 20/3 × 20 = 40/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
18/20 = 18 × 3/20 × 3 = 54/60 - Subtract the two like fractions:
40/60 - 54/60 = 40 - 54/60 = -14/60 - After reducing the fraction, the answer is -7/30
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