Answers

Subtract 70/90 from 2/3

2/3 - 70/90 is -1/9.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 3 and 90 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 3 × 30 = 90,
   2/3 = 2 × 30/3 × 30 = 60/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   70/90 = 70 × 1/90 × 1 = 70/90
4. Subtract the two like fractions:
   60/90 - 70/90 = 60 - 70/90 = -10/90
5. After reducing the fraction, the answer is -1/9

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