Answers

Subtract 40/49 from 42/16

1^st number: 2 10/16, 2^nd number: 40/49

42/16 - 40/49 is 709/392.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 49 is 784
   
   Next, find the equivalent fraction of both fractional numbers with denominator 784
2. For the 1st fraction, since 16 × 49 = 784,
   42/16 = 42 × 49/16 × 49 = 2058/784
3. Likewise, for the 2nd fraction, since 49 × 16 = 784,
   40/49 = 40 × 16/49 × 16 = 640/784
4. Subtract the two like fractions:
   2058/784 - 640/784 = 2058 - 640/784 = 1418/784
5. After reducing the fraction, the answer is 709/392
6. In mixed form: 1317/392

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