Answers

Add 27/12 and 45/70

1^st number: 2 3/12, 2^nd number: 45/70

27/12 + 45/70 is 81/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 70 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 12 × 35 = 420,
   27/12 = 27 × 35/12 × 35 = 945/420
3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
   45/70 = 45 × 6/70 × 6 = 270/420
4. Add the two like fractions:
   945/420 + 270/420 = 945 + 270/420 = 1215/420
5. 1215/420 simplified gives 81/28
6. So, 27/12 + 45/70 = 81/28
   In mixed form: 225/28

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