Subtract 28/25 from 4/18, Solve 4/18

Subtract 28/25 from 4/18

1^st number: 4/18, 2^nd number: 1 3/25

4/18 - 28/25 is -202/225.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 25 is 450

Next, find the equivalent fraction of both fractional numbers with denominator 450
For the 1st fraction, since 18 × 25 = 450,
4/18 = 4 × 25/18 × 25 = 100/450
Likewise, for the 2nd fraction, since 25 × 18 = 450,
28/25 = 28 × 18/25 × 18 = 504/450
Subtract the two like fractions:
100/450 - 504/450 = 100 - 504/450 = -404/450
After reducing the fraction, the answer is -202/225

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