Subtract 84/48 from 1/42, Solve 1/42

Subtract 84/48 from 1/42

1^st number: 1/42, 2^nd number: 1 36/48

1/42 - 84/48 is -145/84.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 48 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 42 × 8 = 336,
1/42 = 1 × 8/42 × 8 = 8/336
Likewise, for the 2nd fraction, since 48 × 7 = 336,
84/48 = 84 × 7/48 × 7 = 588/336
Subtract the two like fractions:
8/336 - 588/336 = 8 - 588/336 = -580/336
After reducing the fraction, the answer is -145/84

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