Answers

Add 30/50 and 72/63

1^st number: 30/50, 2^nd number: 1 9/63

30/50 + 72/63 is 61/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 63 is 3150
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3150
2. For the 1st fraction, since 50 × 63 = 3150,
   30/50 = 30 × 63/50 × 63 = 1890/3150
3. Likewise, for the 2nd fraction, since 63 × 50 = 3150,
   72/63 = 72 × 50/63 × 50 = 3600/3150
4. Add the two like fractions:
   1890/3150 + 3600/3150 = 1890 + 3600/3150 = 5490/3150
5. 5490/3150 simplified gives 61/35
6. So, 30/50 + 72/63 = 61/35
   In mixed form: 126/35

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