Subtract 5/50 from 30/80, Solve 30/80

Subtract 5/50 from 30/80

30/80 - 5/50 is 11/40.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 50 is 400

Next, find the equivalent fraction of both fractional numbers with denominator 400
For the 1st fraction, since 80 × 5 = 400,
30/80 = 30 × 5/80 × 5 = 150/400
Likewise, for the 2nd fraction, since 50 × 8 = 400,
5/50 = 5 × 8/50 × 8 = 40/400
Subtract the two like fractions:
150/400 - 40/400 = 150 - 40/400 = 110/400
After reducing the fraction, the answer is 11/40

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