Answers

Add 72/45 and 63/24

1^st number: 1 27/45, 2^nd number: 2 15/24

72/45 + 63/24 is 169/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 24 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 45 × 8 = 360,
   72/45 = 72 × 8/45 × 8 = 576/360
3. Likewise, for the 2nd fraction, since 24 × 15 = 360,
   63/24 = 63 × 15/24 × 15 = 945/360
4. Add the two like fractions:
   576/360 + 945/360 = 576 + 945/360 = 1521/360
5. 1521/360 simplified gives 169/40
6. So, 72/45 + 63/24 = 169/40
   In mixed form: 49/40

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