Subtract 9/50 from 1/18, Solve 1/18

Subtract 9/50 from 1/18

1/18 - 9/50 is -28/225.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 50 is 450

Next, find the equivalent fraction of both fractional numbers with denominator 450
For the 1st fraction, since 18 × 25 = 450,
1/18 = 1 × 25/18 × 25 = 25/450
Likewise, for the 2nd fraction, since 50 × 9 = 450,
9/50 = 9 × 9/50 × 9 = 81/450
Subtract the two like fractions:
25/450 - 81/450 = 25 - 81/450 = -56/450
After reducing the fraction, the answer is -28/225

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