Answers

Add 72/30 and 20/64

1^st number: 2 12/30, 2^nd number: 20/64

72/30 + 20/64 is 217/80.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 64 is 960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 960
2. For the 1st fraction, since 30 × 32 = 960,
   72/30 = 72 × 32/30 × 32 = 2304/960
3. Likewise, for the 2nd fraction, since 64 × 15 = 960,
   20/64 = 20 × 15/64 × 15 = 300/960
4. Add the two like fractions:
   2304/960 + 300/960 = 2304 + 300/960 = 2604/960
5. 2604/960 simplified gives 217/80
6. So, 72/30 + 20/64 = 217/80
   In mixed form: 257/80

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