Answers

Add 28/45 and 72/56

1^st number: 28/45, 2^nd number: 1 16/56

28/45 + 72/56 is 601/315.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 56 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 45 × 56 = 2520,
   28/45 = 28 × 56/45 × 56 = 1568/2520
3. Likewise, for the 2nd fraction, since 56 × 45 = 2520,
   72/56 = 72 × 45/56 × 45 = 3240/2520
4. Add the two like fractions:
   1568/2520 + 3240/2520 = 1568 + 3240/2520 = 4808/2520
5. 4808/2520 simplified gives 601/315
6. So, 28/45 + 72/56 = 601/315
   In mixed form: 1286/315

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