Answers

Add 4/60 and 84/64

1^st number: 4/60, 2^nd number: 1 20/64

4/60 + 84/64 is 331/240.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 64 is 960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 960
2. For the 1st fraction, since 60 × 16 = 960,
   4/60 = 4 × 16/60 × 16 = 64/960
3. Likewise, for the 2nd fraction, since 64 × 15 = 960,
   84/64 = 84 × 15/64 × 15 = 1260/960
4. Add the two like fractions:
   64/960 + 1260/960 = 64 + 1260/960 = 1324/960
5. 1324/960 simplified gives 331/240
6. So, 4/60 + 84/64 = 331/240
   In mixed form: 191/240

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