Answers

Add 15/72 and 64/30

1^st number: 15/72, 2^nd number: 2 4/30

15/72 + 64/30 is 281/120.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 30 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   15/72 = 15 × 5/72 × 5 = 75/360
3. Likewise, for the 2nd fraction, since 30 × 12 = 360,
   64/30 = 64 × 12/30 × 12 = 768/360
4. Add the two like fractions:
   75/360 + 768/360 = 75 + 768/360 = 843/360
5. 843/360 simplified gives 281/120
6. So, 15/72 + 64/30 = 281/120
   In mixed form: 241/120

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