Subtract 1/24 from 84/42, Solve 2 0/42

Subtract 1/24 from 84/42

1^st number: 2 0/42, 2^nd number: 1/24

84/42 - 1/24 is 47/24.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 24 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 42 × 4 = 168,
84/42 = 84 × 4/42 × 4 = 336/168
Likewise, for the 2nd fraction, since 24 × 7 = 168,
1/24 = 1 × 7/24 × 7 = 7/168
Subtract the two like fractions:
336/168 - 7/168 = 336 - 7/168 = 329/168
After reducing the fraction, the answer is 47/24
In mixed form: 123/24

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