Answers

Add 70/28 and 81/45

1^st number: 2 14/28, 2^nd number: 1 36/45

70/28 + 81/45 is 43/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 45 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 28 × 45 = 1260,
   70/28 = 70 × 45/28 × 45 = 3150/1260
3. Likewise, for the 2nd fraction, since 45 × 28 = 1260,
   81/45 = 81 × 28/45 × 28 = 2268/1260
4. Add the two like fractions:
   3150/1260 + 2268/1260 = 3150 + 2268/1260 = 5418/1260
5. 5418/1260 simplified gives 43/10
6. So, 70/28 + 81/45 = 43/10
   In mixed form: 43/10

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