Answers

Subtract 42/10 from 49/16

1^st number: 3 1/16, 2^nd number: 4 2/10

49/16 - 42/10 is -91/80.

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,
   49/16 = 49 × 5/16 × 5 = 245/80
3. Likewise, for the 2nd fraction, since 10 × 8 = 80,
   42/10 = 42 × 8/10 × 8 = 336/80
4. Subtract the two like fractions:
   245/80 - 336/80 = 245 - 336/80 = -91/80

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