Answers

Subtract 64/10 from 42/16

1^st number: 2 10/16, 2^nd number: 6 4/10

42/16 - 64/10 is -151/40.

Steps for subtracting fractions

1. 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
2. For the 1st fraction, since 16 × 5 = 80,
   42/16 = 42 × 5/16 × 5 = 210/80
3. Likewise, for the 2nd fraction, since 10 × 8 = 80,
   64/10 = 64 × 8/10 × 8 = 512/80
4. Subtract the two like fractions:
   210/80 - 512/80 = 210 - 512/80 = -302/80
5. After reducing the fraction, the answer is -151/40

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