Answers

Add 54/63 and 70/4

1^st number: 54/63, 2^nd number: 17 2/4

54/63 + 70/4 is 257/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 4 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 63 × 4 = 252,
   54/63 = 54 × 4/63 × 4 = 216/252
3. Likewise, for the 2nd fraction, since 4 × 63 = 252,
   70/4 = 70 × 63/4 × 63 = 4410/252
4. Add the two like fractions:
   216/252 + 4410/252 = 216 + 4410/252 = 4626/252
5. 4626/252 simplified gives 257/14
6. So, 54/63 + 70/4 = 257/14
   In mixed form: 185/14

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