Subtract 4/5 from 42/16, Solve 2 10/16

Subtract 4/5 from 42/16

1^st number: 2 10/16, 2^nd number: 4/5

42/16 - 4/5 is 73/40.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 5 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 16 × 5 = 80,
42/16 = 42 × 5/16 × 5 = 210/80
Likewise, for the 2nd fraction, since 5 × 16 = 80,
4/5 = 4 × 16/5 × 16 = 64/80
Subtract the two like fractions:
210/80 - 64/80 = 210 - 64/80 = 146/80
After reducing the fraction, the answer is 73/40
In mixed form: 133/40

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