Answers

Add 84/70 and 42/45

1^st number: 1 14/70, 2^nd number: 42/45

84/70 + 42/45 is 32/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 45 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 70 × 9 = 630,
   84/70 = 84 × 9/70 × 9 = 756/630
3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
   42/45 = 42 × 14/45 × 14 = 588/630
4. Add the two like fractions:
   756/630 + 588/630 = 756 + 588/630 = 1344/630
5. 1344/630 simplified gives 32/15
6. So, 84/70 + 42/45 = 32/15
   In mixed form: 22/15

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