Subtract 10/50 from 40/90, Solve 40/90

Subtract 10/50 from 40/90

40/90 - 10/50 is 11/45.

Find the least common denominator or LCM of the two denominators:
LCM of 90 and 50 is 450

Next, find the equivalent fraction of both fractional numbers with denominator 450
For the 1st fraction, since 90 × 5 = 450,
40/90 = 40 × 5/90 × 5 = 200/450
Likewise, for the 2nd fraction, since 50 × 9 = 450,
10/50 = 10 × 9/50 × 9 = 90/450
Subtract the two like fractions:
200/450 - 90/450 = 200 - 90/450 = 110/450
After reducing the fraction, the answer is 11/45

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