Answers

Add 70/64 and 63/45

1^st number: 1 6/64, 2^nd number: 1 18/45

70/64 + 63/45 is 399/160.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 45 is 2880
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2880
2. For the 1st fraction, since 64 × 45 = 2880,
   70/64 = 70 × 45/64 × 45 = 3150/2880
3. Likewise, for the 2nd fraction, since 45 × 64 = 2880,
   63/45 = 63 × 64/45 × 64 = 4032/2880
4. Add the two like fractions:
   3150/2880 + 4032/2880 = 3150 + 4032/2880 = 7182/2880
5. 7182/2880 simplified gives 399/160
6. So, 70/64 + 63/45 = 399/160
   In mixed form: 279/160

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