Answers

Add 72/32 and 18/45

1^st number: 2 8/32, 2^nd number: 18/45

72/32 + 18/45 is 53/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 32 and 45 is 1440
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1440
2. For the 1st fraction, since 32 × 45 = 1440,
   72/32 = 72 × 45/32 × 45 = 3240/1440
3. Likewise, for the 2nd fraction, since 45 × 32 = 1440,
   18/45 = 18 × 32/45 × 32 = 576/1440
4. Add the two like fractions:
   3240/1440 + 576/1440 = 3240 + 576/1440 = 3816/1440
5. 3816/1440 simplified gives 53/20
6. So, 72/32 + 18/45 = 53/20
   In mixed form: 213/20

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