Answers

Subtract 80/70 from 32/90

1^st number: 32/90, 2^nd number: 1 10/70

32/90 - 80/70 is -248/315.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 70 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 90 × 7 = 630,
   32/90 = 32 × 7/90 × 7 = 224/630
3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
   80/70 = 80 × 9/70 × 9 = 720/630
4. Subtract the two like fractions:
   224/630 - 720/630 = 224 - 720/630 = -496/630
5. After reducing the fraction, the answer is -248/315

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