Subtract 10/42 from 4/50, Solve 4/50

Subtract 10/42 from 4/50

4/50 - 10/42 is -83/525.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 42 is 1050

Next, find the equivalent fraction of both fractional numbers with denominator 1050
For the 1st fraction, since 50 × 21 = 1050,
4/50 = 4 × 21/50 × 21 = 84/1050
Likewise, for the 2nd fraction, since 42 × 25 = 1050,
10/42 = 10 × 25/42 × 25 = 250/1050
Subtract the two like fractions:
84/1050 - 250/1050 = 84 - 250/1050 = -166/1050
After reducing the fraction, the answer is -83/525

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