Answers

Add 70/63 and 63/54

1^st number: 1 7/63, 2^nd number: 1 9/54

70/63 + 63/54 is 41/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 54 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 63 × 6 = 378,
   70/63 = 70 × 6/63 × 6 = 420/378
3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
   63/54 = 63 × 7/54 × 7 = 441/378
4. Add the two like fractions:
   420/378 + 441/378 = 420 + 441/378 = 861/378
5. 861/378 simplified gives 41/18
6. So, 70/63 + 63/54 = 41/18
   In mixed form: 25/18

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