Answers

Subtract 75/90 from 12/4

1^st number: 3 0/4, 2^nd number: 75/90

12/4 - 75/90 is 13/6.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 90 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 4 × 45 = 180,
   12/4 = 12 × 45/4 × 45 = 540/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   75/90 = 75 × 2/90 × 2 = 150/180
4. Subtract the two like fractions:
   540/180 - 150/180 = 540 - 150/180 = 390/180
5. After reducing the fraction, the answer is 13/6
6. In mixed form: 21/6

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