Answers

Subtract 56/45 from 18/30

1^st number: 18/30, 2^nd number: 1 11/45

18/30 - 56/45 is -29/45.

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,
   18/30 = 18 × 3/30 × 3 = 54/90
3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
   56/45 = 56 × 2/45 × 2 = 112/90
4. Subtract the two like fractions:
   54/90 - 112/90 = 54 - 112/90 = -58/90
5. After reducing the fraction, the answer is -29/45

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