Answers

Add 84/14 and 70/90

1^st number: 6 0/14, 2^nd number: 70/90

84/14 + 70/90 is 61/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 90 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 14 × 45 = 630,
   84/14 = 84 × 45/14 × 45 = 3780/630
3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
   70/90 = 70 × 7/90 × 7 = 490/630
4. Add the two like fractions:
   3780/630 + 490/630 = 3780 + 490/630 = 4270/630
5. 4270/630 simplified gives 61/9
6. So, 84/14 + 70/90 = 61/9
   In mixed form: 67/9

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