Answers

Add 72/30 and 70/32

1^st number: 2 12/30, 2^nd number: 2 6/32

72/30 + 70/32 is 367/80.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 32 is 480
   
   Next, find the equivalent fraction of both fractional numbers with denominator 480
2. For the 1st fraction, since 30 × 16 = 480,
   72/30 = 72 × 16/30 × 16 = 1152/480
3. Likewise, for the 2nd fraction, since 32 × 15 = 480,
   70/32 = 70 × 15/32 × 15 = 1050/480
4. Add the two like fractions:
   1152/480 + 1050/480 = 1152 + 1050/480 = 2202/480
5. 2202/480 simplified gives 367/80
6. So, 72/30 + 70/32 = 367/80
   In mixed form: 447/80

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