Subtract 45/42 from 16/8, Solve 2 0/8

Subtract 45/42 from 16/8

1^st number: 2 0/8, 2^nd number: 1 3/42

16/8 - 45/42 is 13/14.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 42 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 8 × 21 = 168,
16/8 = 16 × 21/8 × 21 = 336/168
Likewise, for the 2nd fraction, since 42 × 4 = 168,
45/42 = 45 × 4/42 × 4 = 180/168
Subtract the two like fractions:
336/168 - 180/168 = 336 - 180/168 = 156/168
After reducing the fraction, the answer is 13/14

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