Answers

Add 21/18 and 70/35

1^st number: 1 3/18, 2^nd number: 2 0/35

21/18 + 70/35 is 19/6.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 35 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 18 × 35 = 630,
   21/18 = 21 × 35/18 × 35 = 735/630
3. Likewise, for the 2nd fraction, since 35 × 18 = 630,
   70/35 = 70 × 18/35 × 18 = 1260/630
4. Add the two like fractions:
   735/630 + 1260/630 = 735 + 1260/630 = 1995/630
5. 1995/630 simplified gives 19/6
6. So, 21/18 + 70/35 = 19/6
   In mixed form: 31/6

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