Subtract 4/80 from 15/50, Solve 15/50

Subtract 4/80 from 15/50

15/50 - 4/80 is 1/4.

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

Next, find the equivalent fraction of both fractional numbers with denominator 400
For the 1st fraction, since 50 × 8 = 400,
15/50 = 15 × 8/50 × 8 = 120/400
Likewise, for the 2nd fraction, since 80 × 5 = 400,
4/80 = 4 × 5/80 × 5 = 20/400
Subtract the two like fractions:
120/400 - 20/400 = 120 - 20/400 = 100/400
After reducing the fraction, the answer is 1/4

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