Answers

Add 75/28 and 72/30

1^st number: 2 19/28, 2^nd number: 2 12/30

75/28 + 72/30 is 711/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 30 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 28 × 15 = 420,
   75/28 = 75 × 15/28 × 15 = 1125/420
3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
   72/30 = 72 × 14/30 × 14 = 1008/420
4. Add the two like fractions:
   1125/420 + 1008/420 = 1125 + 1008/420 = 2133/420
5. 2133/420 simplified gives 711/140
6. So, 75/28 + 72/30 = 711/140
   In mixed form: 511/140

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