Answers

Add 81/45 and 70/4

1^st number: 1 36/45, 2^nd number: 17 2/4

81/45 + 70/4 is 193/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 4 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 45 × 4 = 180,
   81/45 = 81 × 4/45 × 4 = 324/180
3. Likewise, for the 2nd fraction, since 4 × 45 = 180,
   70/4 = 70 × 45/4 × 45 = 3150/180
4. Add the two like fractions:
   324/180 + 3150/180 = 324 + 3150/180 = 3474/180
5. 3474/180 simplified gives 193/10
6. So, 81/45 + 70/4 = 193/10
   In mixed form: 193/10

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