Subtract 6/8 from 49/42, Solve 1 7/42

Subtract 6/8 from 49/42

1^st number: 1 7/42, 2^nd number: 6/8

49/42 - 6/8 is 5/12.

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

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 42 × 4 = 168,
49/42 = 49 × 4/42 × 4 = 196/168
Likewise, for the 2nd fraction, since 8 × 21 = 168,
6/8 = 6 × 21/8 × 21 = 126/168
Subtract the two like fractions:
196/168 - 126/168 = 196 - 126/168 = 70/168
After reducing the fraction, the answer is 5/12

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