Answers

Subtract 16/49 from 21/10

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

21/10 - 16/49 is 869/490.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 49 is 490
   
   Next, find the equivalent fraction of both fractional numbers with denominator 490
2. For the 1st fraction, since 10 × 49 = 490,
   21/10 = 21 × 49/10 × 49 = 1029/490
3. Likewise, for the 2nd fraction, since 49 × 10 = 490,
   16/49 = 16 × 10/49 × 10 = 160/490
4. Subtract the two like fractions:
   1029/490 - 160/490 = 1029 - 160/490 = 869/490
5. In mixed form: 1379/490

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