Answers

Add 70/63 and 20/16

1^st number: 1 7/63, 2^nd number: 1 4/16

70/63 + 20/16 is 85/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 16 is 1008
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1008
2. For the 1st fraction, since 63 × 16 = 1008,
   70/63 = 70 × 16/63 × 16 = 1120/1008
3. Likewise, for the 2nd fraction, since 16 × 63 = 1008,
   20/16 = 20 × 63/16 × 63 = 1260/1008
4. Add the two like fractions:
   1120/1008 + 1260/1008 = 1120 + 1260/1008 = 2380/1008
5. 2380/1008 simplified gives 85/36
6. So, 70/63 + 20/16 = 85/36
   In mixed form: 213/36

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