Answers

Subtract 81/49 from 16/28

1^st number: 16/28, 2^nd number: 1 32/49

16/28 - 81/49 is -53/49.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 49 is 196
   
   Next, find the equivalent fraction of both fractional numbers with denominator 196
2. For the 1st fraction, since 28 × 7 = 196,
   16/28 = 16 × 7/28 × 7 = 112/196
3. Likewise, for the 2nd fraction, since 49 × 4 = 196,
   81/49 = 81 × 4/49 × 4 = 324/196
4. Subtract the two like fractions:
   112/196 - 324/196 = 112 - 324/196 = -212/196
5. After reducing the fraction, the answer is -53/49

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