Answers

Add 72/42 and 7/50

1^st number: 1 30/42, 2^nd number: 7/50

72/42 + 7/50 is 649/350.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 50 is 1050
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1050
2. For the 1st fraction, since 42 × 25 = 1050,
   72/42 = 72 × 25/42 × 25 = 1800/1050
3. Likewise, for the 2nd fraction, since 50 × 21 = 1050,
   7/50 = 7 × 21/50 × 21 = 147/1050
4. Add the two like fractions:
   1800/1050 + 147/1050 = 1800 + 147/1050 = 1947/1050
5. 1947/1050 simplified gives 649/350
6. So, 72/42 + 7/50 = 649/350
   In mixed form: 1299/350

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