Subtract 20/25 from 6/18
6/18 - 20/25 is -7/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 25 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
6/18 = 6 × 25/18 × 25 = 150/450 - Likewise, for the 2nd fraction, since 25 × 18 = 450,
20/25 = 20 × 18/25 × 18 = 360/450 - Subtract the two like fractions:
150/450 - 360/450 = 150 - 360/450 = -210/450 - After reducing the fraction, the answer is -7/15
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