Answers

Subtract 45/15 from 45/72

1^st number: 45/72, 2^nd number: 3 0/15

45/72 - 45/15 is -19/8.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 15 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   45/72 = 45 × 5/72 × 5 = 225/360
3. Likewise, for the 2nd fraction, since 15 × 24 = 360,
   45/15 = 45 × 24/15 × 24 = 1080/360
4. Subtract the two like fractions:
   225/360 - 1080/360 = 225 - 1080/360 = -855/360
5. After reducing the fraction, the answer is -19/8

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