Answers

Add 72/63 and 16/18

1^st number: 1 9/63, 2^nd number: 16/18

72/63 + 16/18 is 128/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 18 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 63 × 2 = 126,
   72/63 = 72 × 2/63 × 2 = 144/126
3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
   16/18 = 16 × 7/18 × 7 = 112/126
4. Add the two like fractions:
   144/126 + 112/126 = 144 + 112/126 = 256/126
5. 256/126 simplified gives 128/63
6. So, 72/63 + 16/18 = 128/63
   In mixed form: 22/63

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