Answers

Subtract 90/5 from 45/48

1^st number: 45/48, 2^nd number: 18 0/5

45/48 - 90/5 is -273/16.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 5 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 48 × 5 = 240,
   45/48 = 45 × 5/48 × 5 = 225/240
3. Likewise, for the 2nd fraction, since 5 × 48 = 240,
   90/5 = 90 × 48/5 × 48 = 4320/240
4. Subtract the two like fractions:
   225/240 - 4320/240 = 225 - 4320/240 = -4095/240
5. After reducing the fraction, the answer is -273/16

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