Subtract 48/84 from 15/50, Solve 15/50

Subtract 48/84 from 15/50

15/50 - 48/84 is -19/70.

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,
15/50 = 15 × 42/50 × 42 = 630/2100
Likewise, for the 2nd fraction, since 84 × 25 = 2100,
48/84 = 48 × 25/84 × 25 = 1200/2100
Subtract the two like fractions:
630/2100 - 1200/2100 = 630 - 1200/2100 = -570/2100
After reducing the fraction, the answer is -19/70

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