Answers

Subtract 70/60 from 12/90

1^st number: 12/90, 2^nd number: 1 10/60

12/90 - 70/60 is -31/30.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 60 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 90 × 2 = 180,
   12/90 = 12 × 2/90 × 2 = 24/180
3. Likewise, for the 2nd fraction, since 60 × 3 = 180,
   70/60 = 70 × 3/60 × 3 = 210/180
4. Subtract the two like fractions:
   24/180 - 210/180 = 24 - 210/180 = -186/180
5. After reducing the fraction, the answer is -31/30

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