Answers

Subtract 45/90 from 48/12

1^st number: 4 0/12, 2^nd number: 45/90

48/12 - 45/90 is 7/2.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 90 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 12 × 15 = 180,
   48/12 = 48 × 15/12 × 15 = 720/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   45/90 = 45 × 2/90 × 2 = 90/180
4. Subtract the two like fractions:
   720/180 - 90/180 = 720 - 90/180 = 630/180
5. After reducing the fraction, the answer is 7/2
6. In mixed form: 31/2

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