Answers

Subtract 81/16 from 1/70

1^st number: 1/70, 2^nd number: 5 1/16

1/70 - 81/16 is -2827/560.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 16 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 70 × 8 = 560,
   1/70 = 1 × 8/70 × 8 = 8/560
3. Likewise, for the 2nd fraction, since 16 × 35 = 560,
   81/16 = 81 × 35/16 × 35 = 2835/560
4. Subtract the two like fractions:
   8/560 - 2835/560 = 8 - 2835/560 = -2827/560

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