Answers

Add 70/63 and 12/72

1^st number: 1 7/63, 2^nd number: 12/72

70/63 + 12/72 is 23/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 63 × 8 = 504,
   70/63 = 70 × 8/63 × 8 = 560/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   12/72 = 12 × 7/72 × 7 = 84/504
4. Add the two like fractions:
   560/504 + 84/504 = 560 + 84/504 = 644/504
5. 644/504 simplified gives 23/18
6. So, 70/63 + 12/72 = 23/18
   In mixed form: 15/18

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