Answers

Add 54/90 and 70/28

1^st number: 54/90, 2^nd number: 2 14/28

54/90 + 70/28 is 31/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 28 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 90 × 14 = 1260,
   54/90 = 54 × 14/90 × 14 = 756/1260
3. Likewise, for the 2nd fraction, since 28 × 45 = 1260,
   70/28 = 70 × 45/28 × 45 = 3150/1260
4. Add the two like fractions:
   756/1260 + 3150/1260 = 756 + 3150/1260 = 3906/1260
5. 3906/1260 simplified gives 31/10
6. So, 54/90 + 70/28 = 31/10
   In mixed form: 31/10

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