Answers

Add 70/63 and 40/8

1^st number: 1 7/63, 2^nd number: 5 0/8

70/63 + 40/8 is 55/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 8 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 8 × 63 = 504,
   40/8 = 40 × 63/8 × 63 = 2520/504
4. Add the two like fractions:
   560/504 + 2520/504 = 560 + 2520/504 = 3080/504
5. 3080/504 simplified gives 55/9
6. So, 70/63 + 40/8 = 55/9
   In mixed form: 61/9

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