Answers

Subtract 70/36 from 20/45

1^st number: 20/45, 2^nd number: 1 34/36

20/45 - 70/36 is -3/2.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 36 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 45 × 4 = 180,
   20/45 = 20 × 4/45 × 4 = 80/180
3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
   70/36 = 70 × 5/36 × 5 = 350/180
4. Subtract the two like fractions:
   80/180 - 350/180 = 80 - 350/180 = -270/180
5. After reducing the fraction, the answer is -3/2

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