Answers

Subtract 56/45 from 18/15

1^st number: 1 3/15, 2^nd number: 1 11/45

18/15 - 56/45 is -2/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 45 is 45
   
   Next, find the equivalent fraction of both fractional numbers with denominator 45
2. For the 1st fraction, since 15 × 3 = 45,
   18/15 = 18 × 3/15 × 3 = 54/45
3. Likewise, for the 2nd fraction, since 45 × 1 = 45,
   56/45 = 56 × 1/45 × 1 = 56/45
4. Subtract the two like fractions:
   54/45 - 56/45 = 54 - 56/45 = -2/45

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