Answers

Add 63/15 and 6/72

1^st number: 4 3/15, 2^nd number: 6/72

63/15 + 6/72 is 257/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 15 × 24 = 360,
   63/15 = 63 × 24/15 × 24 = 1512/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   6/72 = 6 × 5/72 × 5 = 30/360
4. Add the two like fractions:
   1512/360 + 30/360 = 1512 + 30/360 = 1542/360
5. 1542/360 simplified gives 257/60
6. So, 63/15 + 6/72 = 257/60
   In mixed form: 417/60

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