Answers

Subtract 20/4 from 56/45

1^st number: 1 11/45, 2^nd number: 5 0/4

56/45 - 20/4 is -169/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 4 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 45 × 4 = 180,
   56/45 = 56 × 4/45 × 4 = 224/180
3. Likewise, for the 2nd fraction, since 4 × 45 = 180,
   20/4 = 20 × 45/4 × 45 = 900/180
4. Subtract the two like fractions:
   224/180 - 900/180 = 224 - 900/180 = -676/180
5. After reducing the fraction, the answer is -169/45

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