Answers

Subtract 48/90 from 45/4

1^st number: 11 1/4, 2^nd number: 48/90

45/4 - 48/90 is 643/60.

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,
   45/4 = 45 × 45/4 × 45 = 2025/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   48/90 = 48 × 2/90 × 2 = 96/180
4. Subtract the two like fractions:
   2025/180 - 96/180 = 2025 - 96/180 = 1929/180
5. After reducing the fraction, the answer is 643/60
6. In mixed form: 1043/60

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