Answers

Subtract 90/70 from 1/70

1^st number: 1/70, 2^nd number: 1 20/70

1/70 - 90/70 is -89/70.

Steps for subtracting fractions

1. Subtract the two fractions:
   1/70 - 90/70 = 1 - 90/70 = -89/70

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