Answers

Add 75/60 and 54/28

1^st number: 1 15/60, 2^nd number: 1 26/28

75/60 + 54/28 is 89/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 28 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 60 × 7 = 420,
   75/60 = 75 × 7/60 × 7 = 525/420
3. Likewise, for the 2nd fraction, since 28 × 15 = 420,
   54/28 = 54 × 15/28 × 15 = 810/420
4. Add the two like fractions:
   525/420 + 810/420 = 525 + 810/420 = 1335/420
5. 1335/420 simplified gives 89/28
6. So, 75/60 + 54/28 = 89/28
   In mixed form: 35/28

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