Answers

Subtract 28/16 from 49/21

1^st number: 2 7/21, 2^nd number: 1 12/16

49/21 - 28/16 is 7/12.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 16 is 336
2. For the 1st fraction, since 21 × 16 = 336,
   49/21 = 49 × 16/21 × 16 = 784/336
3. Likewise, for the 2nd fraction, since 16 × 21 = 336,
   28/16 = 28 × 21/16 × 21 = 588/336
4. Subtract the two fractions:
   784/336 - 588/336 = 784 - 588/336 = 196/336
5. After reducing the fraction, the answer is 7/12

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