Answers

Add 70/28 and 20/45

1^st number: 2 14/28, 2^nd number: 20/45

70/28 + 20/45 is 53/18.

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,
   20/45 = 20 × 28/45 × 28 = 560/1260
4. Add the two like fractions:
   3150/1260 + 560/1260 = 3150 + 560/1260 = 3710/1260
5. 3710/1260 simplified gives 53/18
6. So, 70/28 + 20/45 = 53/18
   In mixed form: 217/18

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