Subtract 75/50 from 7/18, Solve 7/18

Subtract 75/50 from 7/18

1^st number: 7/18, 2^nd number: 1 25/50

7/18 - 75/50 is -10/9.

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,
7/18 = 7 × 25/18 × 25 = 175/450
Likewise, for the 2nd fraction, since 50 × 9 = 450,
75/50 = 75 × 9/50 × 9 = 675/450
Subtract the two like fractions:
175/450 - 675/450 = 175 - 675/450 = -500/450
After reducing the fraction, the answer is -10/9

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