Subtract 4/84 from 30/50, Solve 30/50

Subtract 4/84 from 30/50

30/50 - 4/84 is 58/105.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 84 is 2100

Next, find the equivalent fraction of both fractional numbers with denominator 2100
For the 1st fraction, since 50 × 42 = 2100,
30/50 = 30 × 42/50 × 42 = 1260/2100
Likewise, for the 2nd fraction, since 84 × 25 = 2100,
4/84 = 4 × 25/84 × 25 = 100/2100
Subtract the two like fractions:
1260/2100 - 100/2100 = 1260 - 100/2100 = 1160/2100
After reducing the fraction, the answer is 58/105

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