Answers

Add 70/50 and 7/64

1^st number: 1 20/50, 2^nd number: 7/64

70/50 + 7/64 is 483/320.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 64 is 1600
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1600
2. For the 1st fraction, since 50 × 32 = 1600,
   70/50 = 70 × 32/50 × 32 = 2240/1600
3. Likewise, for the 2nd fraction, since 64 × 25 = 1600,
   7/64 = 7 × 25/64 × 25 = 175/1600
4. Add the two like fractions:
   2240/1600 + 175/1600 = 2240 + 175/1600 = 2415/1600
5. 2415/1600 simplified gives 483/320
6. So, 70/50 + 7/64 = 483/320
   In mixed form: 1163/320

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