Subtract 50/8 from 1/84, Solve 1/84

Subtract 50/8 from 1/84

1^st number: 1/84, 2^nd number: 6 2/8

1/84 - 50/8 is -131/21.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 8 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 84 × 2 = 168,
1/84 = 1 × 2/84 × 2 = 2/168
Likewise, for the 2nd fraction, since 8 × 21 = 168,
50/8 = 50 × 21/8 × 21 = 1050/168
Subtract the two like fractions:
2/168 - 1050/168 = 2 - 1050/168 = -1048/168
After reducing the fraction, the answer is -131/21

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