Answers

Add 80/35 and 45/27

1^st number: 2 10/35, 2^nd number: 1 18/27

80/35 + 45/27 is 83/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 27 is 945
   
   Next, find the equivalent fraction of both fractional numbers with denominator 945
2. For the 1st fraction, since 35 × 27 = 945,
   80/35 = 80 × 27/35 × 27 = 2160/945
3. Likewise, for the 2nd fraction, since 27 × 35 = 945,
   45/27 = 45 × 35/27 × 35 = 1575/945
4. Add the two like fractions:
   2160/945 + 1575/945 = 2160 + 1575/945 = 3735/945
5. 3735/945 simplified gives 83/21
6. So, 80/35 + 45/27 = 83/21
   In mixed form: 320/21

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