Subtract 10/42 from 84/32, Solve 2 20/32

Subtract 10/42 from 84/32

1^st number: 2 20/32, 2^nd number: 10/42

84/32 - 10/42 is 401/168.

Find the least common denominator or LCM of the two denominators:
LCM of 32 and 42 is 672

Next, find the equivalent fraction of both fractional numbers with denominator 672
For the 1st fraction, since 32 × 21 = 672,
84/32 = 84 × 21/32 × 21 = 1764/672
Likewise, for the 2nd fraction, since 42 × 16 = 672,
10/42 = 10 × 16/42 × 16 = 160/672
Subtract the two like fractions:
1764/672 - 160/672 = 1764 - 160/672 = 1604/672
After reducing the fraction, the answer is 401/168
In mixed form: 265/168

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