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

Subtract 4/10 from 42/16

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

42/16 - 4/10 is 89/40.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 10 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 10 × 8 = 80,
4/10 = 4 × 8/10 × 8 = 32/80
Subtract the two like fractions:
210/80 - 32/80 = 210 - 32/80 = 178/80
After reducing the fraction, the answer is 89/40
In mixed form: 29/40

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