Answers

Add 81/72 and 50/28

1^st number: 1 9/72, 2^nd number: 1 22/28

81/72 + 50/28 is 163/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 28 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 72 × 7 = 504,
   81/72 = 81 × 7/72 × 7 = 567/504
3. Likewise, for the 2nd fraction, since 28 × 18 = 504,
   50/28 = 50 × 18/28 × 18 = 900/504
4. Add the two like fractions:
   567/504 + 900/504 = 567 + 900/504 = 1467/504
5. 1467/504 simplified gives 163/56
6. So, 81/72 + 50/28 = 163/56
   In mixed form: 251/56

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