Answers

Subtract 81/16 from 28/35

1^st number: 28/35, 2^nd number: 5 1/16

28/35 - 81/16 is -341/80.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 16 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 35 × 16 = 560,
   28/35 = 28 × 16/35 × 16 = 448/560
3. Likewise, for the 2nd fraction, since 16 × 35 = 560,
   81/16 = 81 × 35/16 × 35 = 2835/560
4. Subtract the two like fractions:
   448/560 - 2835/560 = 448 - 2835/560 = -2387/560
5. After reducing the fraction, the answer is -341/80

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