Answers

Add 21/70 and 36/27

1^st number: 21/70, 2^nd number: 1 9/27

21/70 + 36/27 is 49/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 27 is 1890
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1890
2. For the 1st fraction, since 70 × 27 = 1890,
   21/70 = 21 × 27/70 × 27 = 567/1890
3. Likewise, for the 2nd fraction, since 27 × 70 = 1890,
   36/27 = 36 × 70/27 × 70 = 2520/1890
4. Add the two like fractions:
   567/1890 + 2520/1890 = 567 + 2520/1890 = 3087/1890
5. 3087/1890 simplified gives 49/30
6. So, 21/70 + 36/27 = 49/30
   In mixed form: 119/30

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