Subtract 35/50 from 1/42, Solve 1/42

Subtract 35/50 from 1/42

1/42 - 35/50 is -71/105.

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

Next, find the equivalent fraction of both fractional numbers with denominator 1050
For the 1st fraction, since 42 × 25 = 1050,
1/42 = 1 × 25/42 × 25 = 25/1050
Likewise, for the 2nd fraction, since 50 × 21 = 1050,
35/50 = 35 × 21/50 × 21 = 735/1050
Subtract the two like fractions:
25/1050 - 735/1050 = 25 - 735/1050 = -710/1050
After reducing the fraction, the answer is -71/105

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