Answers

Add 72/14 and 75/45

1^st number: 5 2/14, 2^nd number: 1 30/45

72/14 + 75/45 is 143/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 45 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 14 × 45 = 630,
   72/14 = 72 × 45/14 × 45 = 3240/630
3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
   75/45 = 75 × 14/45 × 14 = 1050/630
4. Add the two like fractions:
   3240/630 + 1050/630 = 3240 + 1050/630 = 4290/630
5. 4290/630 simplified gives 143/21
6. So, 72/14 + 75/45 = 143/21
   In mixed form: 617/21

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