Answers

Add 70/16 and 63/54

1^st number: 4 6/16, 2^nd number: 1 9/54

70/16 + 63/54 is 133/24.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 54 is 432
   
   Next, find the equivalent fraction of both fractional numbers with denominator 432
2. For the 1st fraction, since 16 × 27 = 432,
   70/16 = 70 × 27/16 × 27 = 1890/432
3. Likewise, for the 2nd fraction, since 54 × 8 = 432,
   63/54 = 63 × 8/54 × 8 = 504/432
4. Add the two like fractions:
   1890/432 + 504/432 = 1890 + 504/432 = 2394/432
5. 2394/432 simplified gives 133/24
6. So, 70/16 + 63/54 = 133/24
   In mixed form: 513/24

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