Answers

Add 63/56 and 9/70

1^st number: 1 7/56, 2^nd number: 9/70

63/56 + 9/70 is 351/280.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 70 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 56 × 5 = 280,
   63/56 = 63 × 5/56 × 5 = 315/280
3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
   9/70 = 9 × 4/70 × 4 = 36/280
4. Add the two like fractions:
   315/280 + 36/280 = 315 + 36/280 = 351/280
5. So, 63/56 + 9/70 = 351/280
   In mixed form: 171/280

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