Subtract 20/25 from 2/18
2/18 - 20/25 is -31/45.
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,
2/18 = 2 × 25/18 × 25 = 50/450 - Likewise, for the 2nd fraction, since 25 × 18 = 450,
20/25 = 20 × 18/25 × 18 = 360/450 - Subtract the two like fractions:
50/450 - 360/450 = 50 - 360/450 = -310/450 - After reducing the fraction, the answer is -31/45
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