Answers

Add 72/70 and 8/63

1^st number: 1 2/70, 2^nd number: 8/63

72/70 + 8/63 is 52/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 63 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 70 × 9 = 630,
   72/70 = 72 × 9/70 × 9 = 648/630
3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
   8/63 = 8 × 10/63 × 10 = 80/630
4. Add the two like fractions:
   648/630 + 80/630 = 648 + 80/630 = 728/630
5. 728/630 simplified gives 52/45
6. So, 72/70 + 8/63 = 52/45
   In mixed form: 17/45

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