Answers

Add 75/64 and 12/45

1^st number: 1 11/64, 2^nd number: 12/45

75/64 + 12/45 is 1381/960.

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,
   75/64 = 75 × 45/64 × 45 = 3375/2880
3. Likewise, for the 2nd fraction, since 45 × 64 = 2880,
   12/45 = 12 × 64/45 × 64 = 768/2880
4. Add the two like fractions:
   3375/2880 + 768/2880 = 3375 + 768/2880 = 4143/2880
5. 4143/2880 simplified gives 1381/960
6. So, 75/64 + 12/45 = 1381/960
   In mixed form: 1421/960

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