Answers

Subtract 40/16 from 42/5

1^st number: 8 2/5, 2^nd number: 2 8/16

42/5 - 40/16 is 59/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 16 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 5 × 16 = 80,
   42/5 = 42 × 16/5 × 16 = 672/80
3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
   40/16 = 40 × 5/16 × 5 = 200/80
4. Subtract the two like fractions:
   672/80 - 200/80 = 672 - 200/80 = 472/80
5. After reducing the fraction, the answer is 59/10
6. In mixed form: 59/10

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