Answers

Add 75/60 and 28/7

1^st number: 1 15/60, 2^nd number: 4 0/7

75/60 + 28/7 is 21/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 7 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 7 × 60 = 420,
   28/7 = 28 × 60/7 × 60 = 1680/420
4. Add the two like fractions:
   525/420 + 1680/420 = 525 + 1680/420 = 2205/420
5. 2205/420 simplified gives 21/4
6. So, 75/60 + 28/7 = 21/4
   In mixed form: 51/4

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