Subtract 5/42 from 80/8, Solve 10 0/8

Subtract 5/42 from 80/8

1^st number: 10 0/8, 2^nd number: 5/42

80/8 - 5/42 is 415/42.

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,
80/8 = 80 × 21/8 × 21 = 1680/168
Likewise, for the 2nd fraction, since 42 × 4 = 168,
5/42 = 5 × 4/42 × 4 = 20/168
Subtract the two like fractions:
1680/168 - 20/168 = 1680 - 20/168 = 1660/168
After reducing the fraction, the answer is 415/42
In mixed form: 937/42

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