Subtract 16/9 from 18/50, Solve 18/50

Subtract 16/9 from 18/50

1^st number: 18/50, 2^nd number: 1 7/9

18/50 - 16/9 is -319/225.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 9 is 450

Next, find the equivalent fraction of both fractional numbers with denominator 450
For the 1st fraction, since 50 × 9 = 450,
18/50 = 18 × 9/50 × 9 = 162/450
Likewise, for the 2nd fraction, since 9 × 50 = 450,
16/9 = 16 × 50/9 × 50 = 800/450
Subtract the two like fractions:
162/450 - 800/450 = 162 - 800/450 = -638/450
After reducing the fraction, the answer is -319/225

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