Answers

Add 80/15 and 70/45

1^st number: 5 5/15, 2^nd number: 1 25/45

80/15 + 70/45 is 62/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 45 is 45
   
   Next, find the equivalent fraction of both fractional numbers with denominator 45
2. For the 1st fraction, since 15 × 3 = 45,
   80/15 = 80 × 3/15 × 3 = 240/45
3. Likewise, for the 2nd fraction, since 45 × 1 = 45,
   70/45 = 70 × 1/45 × 1 = 70/45
4. Add the two like fractions:
   240/45 + 70/45 = 240 + 70/45 = 310/45
5. 310/45 simplified gives 62/9
6. So, 80/15 + 70/45 = 62/9
   In mixed form: 68/9

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