Answers

Subtract 40/49 from 21/16

1^st number: 1 5/16, 2^nd number: 40/49

21/16 - 40/49 is 389/784.

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,
   21/16 = 21 × 49/16 × 49 = 1029/784
3. Likewise, for the 2nd fraction, since 49 × 16 = 784,
   40/49 = 40 × 16/49 × 16 = 640/784
4. Subtract the two like fractions:
   1029/784 - 640/784 = 1029 - 640/784 = 389/784

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