Answers

Add 70/20 and 15/27

1^st number: 3 10/20, 2^nd number: 15/27

70/20 + 15/27 is 73/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 27 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 20 × 27 = 540,
   70/20 = 70 × 27/20 × 27 = 1890/540
3. Likewise, for the 2nd fraction, since 27 × 20 = 540,
   15/27 = 15 × 20/27 × 20 = 300/540
4. Add the two like fractions:
   1890/540 + 300/540 = 1890 + 300/540 = 2190/540
5. 2190/540 simplified gives 73/18
6. So, 70/20 + 15/27 = 73/18
   In mixed form: 41/18

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