Answers

Add 70/49 and 35/54

1^st number: 1 21/49, 2^nd number: 35/54

70/49 + 35/54 is 785/378.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 54 is 2646
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2646
2. For the 1st fraction, since 49 × 54 = 2646,
   70/49 = 70 × 54/49 × 54 = 3780/2646
3. Likewise, for the 2nd fraction, since 54 × 49 = 2646,
   35/54 = 35 × 49/54 × 49 = 1715/2646
4. Add the two like fractions:
   3780/2646 + 1715/2646 = 3780 + 1715/2646 = 5495/2646
5. 5495/2646 simplified gives 785/378
6. So, 70/49 + 35/54 = 785/378
   In mixed form: 229/378

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