Answers

Add 70/54 and 90/28

1^st number: 1 16/54, 2^nd number: 3 6/28

70/54 + 90/28 is 1705/378.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 28 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 54 × 14 = 756,
   70/54 = 70 × 14/54 × 14 = 980/756
3. Likewise, for the 2nd fraction, since 28 × 27 = 756,
   90/28 = 90 × 27/28 × 27 = 2430/756
4. Add the two like fractions:
   980/756 + 2430/756 = 980 + 2430/756 = 3410/756
5. 3410/756 simplified gives 1705/378
6. So, 70/54 + 90/28 = 1705/378
   In mixed form: 4193/378

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