Subtract 21/18 from 5/50, Solve 5/50

Subtract 21/18 from 5/50

1^st number: 5/50, 2^nd number: 1 3/18

5/50 - 21/18 is -16/15.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 18 is 450

Next, find the equivalent fraction of both fractional numbers with denominator 450
For the 1st fraction, since 50 × 9 = 450,
5/50 = 5 × 9/50 × 9 = 45/450
Likewise, for the 2nd fraction, since 18 × 25 = 450,
21/18 = 21 × 25/18 × 25 = 525/450
Subtract the two like fractions:
45/450 - 525/450 = 45 - 525/450 = -480/450
After reducing the fraction, the answer is -16/15

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