Answers

Subtract 75/20 from 70/18

1^st number: 3 16/18, 2^nd number: 3 15/20

70/18 - 75/20 is 5/36.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 20 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 18 × 10 = 180,
   70/18 = 70 × 10/18 × 10 = 700/180
3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
   75/20 = 75 × 9/20 × 9 = 675/180
4. Subtract the two like fractions:
   700/180 - 675/180 = 700 - 675/180 = 25/180
5. After reducing the fraction, the answer is 5/36

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