Answers

Add 84/70 and 27/64

1^st number: 1 14/70, 2^nd number: 27/64

84/70 + 27/64 is 519/320.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 64 is 2240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2240
2. For the 1st fraction, since 70 × 32 = 2240,
   84/70 = 84 × 32/70 × 32 = 2688/2240
3. Likewise, for the 2nd fraction, since 64 × 35 = 2240,
   27/64 = 27 × 35/64 × 35 = 945/2240
4. Add the two like fractions:
   2688/2240 + 945/2240 = 2688 + 945/2240 = 3633/2240
5. 3633/2240 simplified gives 519/320
6. So, 84/70 + 27/64 = 519/320
   In mixed form: 1199/320

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