Answers

Add 70/80 and 70/12

1^st number: 70/80, 2^nd number: 5 10/12

70/80 + 70/12 is 161/24.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 12 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 80 × 3 = 240,
   70/80 = 70 × 3/80 × 3 = 210/240
3. Likewise, for the 2nd fraction, since 12 × 20 = 240,
   70/12 = 70 × 20/12 × 20 = 1400/240
4. Add the two like fractions:
   210/240 + 1400/240 = 210 + 1400/240 = 1610/240
5. 1610/240 simplified gives 161/24
6. So, 70/80 + 70/12 = 161/24
   In mixed form: 617/24

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