Answers

Add 75/64 and 49/70

1^st number: 1 11/64, 2^nd number: 49/70

75/64 + 49/70 is 599/320.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 70 is 2240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2240
2. For the 1st fraction, since 64 × 35 = 2240,
   75/64 = 75 × 35/64 × 35 = 2625/2240
3. Likewise, for the 2nd fraction, since 70 × 32 = 2240,
   49/70 = 49 × 32/70 × 32 = 1568/2240
4. Add the two like fractions:
   2625/2240 + 1568/2240 = 2625 + 1568/2240 = 4193/2240
5. 4193/2240 simplified gives 599/320
6. So, 75/64 + 49/70 = 599/320
   In mixed form: 1279/320

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