Answers

Add 72/80 and 64/30

1^st number: 72/80, 2^nd number: 2 4/30

72/80 + 64/30 is 91/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 30 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 80 × 3 = 240,
   72/80 = 72 × 3/80 × 3 = 216/240
3. Likewise, for the 2nd fraction, since 30 × 8 = 240,
   64/30 = 64 × 8/30 × 8 = 512/240
4. Add the two like fractions:
   216/240 + 512/240 = 216 + 512/240 = 728/240
5. 728/240 simplified gives 91/30
6. So, 72/80 + 64/30 = 91/30
   In mixed form: 31/30

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