Answers

Subtract 27/90 from 12/10

1^st number: 1 2/10, 2^nd number: 27/90

12/10 - 27/90 is 9/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 90 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 10 × 9 = 90,
   12/10 = 12 × 9/10 × 9 = 108/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   27/90 = 27 × 1/90 × 1 = 27/90
4. Subtract the two like fractions:
   108/90 - 27/90 = 108 - 27/90 = 81/90
5. After reducing the fraction, the answer is 9/10

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