Answers

Subtract 90/30 from 45/4

1^st number: 11 1/4, 2^nd number: 3 0/30

45/4 - 90/30 is 33/4.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 30 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 4 × 15 = 60,
   45/4 = 45 × 15/4 × 15 = 675/60
3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
   90/30 = 90 × 2/30 × 2 = 180/60
4. Subtract the two like fractions:
   675/60 - 180/60 = 675 - 180/60 = 495/60
5. After reducing the fraction, the answer is 33/4
6. In mixed form: 81/4

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