Answers

Subtract 42/6 from 40/16

1^st number: 2 8/16, 2^nd number: 7 0/6

40/16 - 42/6 is -9/2.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 6 is 48
   
   Next, find the equivalent fraction of both fractional numbers with denominator 48
2. For the 1st fraction, since 16 × 3 = 48,
   40/16 = 40 × 3/16 × 3 = 120/48
3. Likewise, for the 2nd fraction, since 6 × 8 = 48,
   42/6 = 42 × 8/6 × 8 = 336/48
4. Subtract the two like fractions:
   120/48 - 336/48 = 120 - 336/48 = -216/48
5. After reducing the fraction, the answer is -9/2

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