Answers

Add 70/27 and 72/80

1^st number: 2 16/27, 2^nd number: 72/80

70/27 + 72/80 is 943/270.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 80 is 2160
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2160
2. For the 1st fraction, since 27 × 80 = 2160,
   70/27 = 70 × 80/27 × 80 = 5600/2160
3. Likewise, for the 2nd fraction, since 80 × 27 = 2160,
   72/80 = 72 × 27/80 × 27 = 1944/2160
4. Add the two like fractions:
   5600/2160 + 1944/2160 = 5600 + 1944/2160 = 7544/2160
5. 7544/2160 simplified gives 943/270
6. So, 70/27 + 72/80 = 943/270
   In mixed form: 3133/270

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