Answers

Subtract 15/18 from 70/20

1^st number: 3 10/20, 2^nd number: 15/18

70/20 - 15/18 is 8/3.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 18 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 20 × 9 = 180,
   70/20 = 70 × 9/20 × 9 = 630/180
3. Likewise, for the 2nd fraction, since 18 × 10 = 180,
   15/18 = 15 × 10/18 × 10 = 150/180
4. Subtract the two like fractions:
   630/180 - 150/180 = 630 - 150/180 = 480/180
5. After reducing the fraction, the answer is 8/3
6. In mixed form: 22/3

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