Subtract 20/18 from 4/25, Solve 4/25

Subtract 20/18 from 4/25

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

4/25 - 20/18 is -214/225.

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

Next, find the equivalent fraction of both fractional numbers with denominator 450
For the 1st fraction, since 25 × 18 = 450,
4/25 = 4 × 18/25 × 18 = 72/450
Likewise, for the 2nd fraction, since 18 × 25 = 450,
20/18 = 20 × 25/18 × 25 = 500/450
Subtract the two like fractions:
72/450 - 500/450 = 72 - 500/450 = -428/450
After reducing the fraction, the answer is -214/225

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