Answers

Subtract 81/30 from 16/35

1^st number: 16/35, 2^nd number: 2 21/30

16/35 - 81/30 is -157/70.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 30 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 35 × 6 = 210,
   16/35 = 16 × 6/35 × 6 = 96/210
3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
   81/30 = 81 × 7/30 × 7 = 567/210
4. Subtract the two like fractions:
   96/210 - 567/210 = 96 - 567/210 = -471/210
5. After reducing the fraction, the answer is -157/70

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