Answers

Add 72/63 and 27/70

1^st number: 1 9/63, 2^nd number: 27/70

72/63 + 27/70 is 107/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 70 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   72/63 = 72 × 10/63 × 10 = 720/630
3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
   27/70 = 27 × 9/70 × 9 = 243/630
4. Add the two like fractions:
   720/630 + 243/630 = 720 + 243/630 = 963/630
5. 963/630 simplified gives 107/70
6. So, 72/63 + 27/70 = 107/70
   In mixed form: 137/70

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