Subtract 45/18 from 12/75, Solve 12/75

Subtract 45/18 from 12/75

1^st number: 12/75, 2^nd number: 2 9/18

12/75 - 45/18 is -117/50.

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,
12/75 = 12 × 6/75 × 6 = 72/450
Likewise, for the 2nd fraction, since 18 × 25 = 450,
45/18 = 45 × 25/18 × 25 = 1125/450
Subtract the two like fractions:
72/450 - 1125/450 = 72 - 1125/450 = -1053/450
After reducing the fraction, the answer is -117/50

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