Answers

Subtract 42/45 from 45/30

1^st number: 1 15/30, 2^nd number: 42/45

45/30 - 42/45 is 17/30.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 45 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 30 × 3 = 90,
   45/30 = 45 × 3/30 × 3 = 135/90
3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
   42/45 = 42 × 2/45 × 2 = 84/90
4. Subtract the two like fractions:
   135/90 - 84/90 = 135 - 84/90 = 51/90
5. After reducing the fraction, the answer is 17/30

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