Subtract 20/18 from 5/75, Solve 5/75

Subtract 20/18 from 5/75

1^st number: 5/75, 2^nd number: 1 2/18

5/75 - 20/18 is -47/45.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 18 is 450

Next, find the equivalent fraction of both fractional numbers with denominator 450
For the 1st fraction, since 75 × 6 = 450,
5/75 = 5 × 6/75 × 6 = 30/450
Likewise, for the 2nd fraction, since 18 × 25 = 450,
20/18 = 20 × 25/18 × 25 = 500/450
Subtract the two like fractions:
30/450 - 500/450 = 30 - 500/450 = -470/450
After reducing the fraction, the answer is -47/45

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