Answers

Add 45/60 and 72/14

1^st number: 45/60, 2^nd number: 5 2/14

45/60 + 72/14 is 165/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 14 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 60 × 7 = 420,
   45/60 = 45 × 7/60 × 7 = 315/420
3. Likewise, for the 2nd fraction, since 14 × 30 = 420,
   72/14 = 72 × 30/14 × 30 = 2160/420
4. Add the two like fractions:
   315/420 + 2160/420 = 315 + 2160/420 = 2475/420
5. 2475/420 simplified gives 165/28
6. So, 45/60 + 72/14 = 165/28
   In mixed form: 525/28

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