Answers

Subtract 9/10 from 12/5

1^st number: 2 2/5, 2^nd number: 9/10

12/5 - 9/10 is 3/2.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 10 is 10
   
   Next, find the equivalent fraction of both fractional numbers with denominator 10
2. For the 1st fraction, since 5 × 2 = 10,
   12/5 = 12 × 2/5 × 2 = 24/10
3. Likewise, for the 2nd fraction, since 10 × 1 = 10,
   9/10 = 9 × 1/10 × 1 = 9/10
4. Subtract the two like fractions:
   24/10 - 9/10 = 24 - 9/10 = 15/10
5. After reducing the fraction, the answer is 3/2
6. In mixed form: 11/2

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