Answers

Add 98/90 and 6/70

1^st number: 1 8/90, 2^nd number: 6/70

98/90 + 6/70 is 74/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 70 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 90 × 7 = 630,
   98/90 = 98 × 7/90 × 7 = 686/630
3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
   6/70 = 6 × 9/70 × 9 = 54/630
4. Add the two like fractions:
   686/630 + 54/630 = 686 + 54/630 = 740/630
5. 740/630 simplified gives 74/63
6. So, 98/90 + 6/70 = 74/63
   In mixed form: 111/63

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