Answers

Add 56/45 and 70/4

1^st number: 1 11/45, 2^nd number: 17 2/4

56/45 + 70/4 is 1687/90.

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,
   56/45 = 56 × 4/45 × 4 = 224/180
3. Likewise, for the 2nd fraction, since 4 × 45 = 180,
   70/4 = 70 × 45/4 × 45 = 3150/180
4. Add the two like fractions:
   224/180 + 3150/180 = 224 + 3150/180 = 3374/180
5. 3374/180 simplified gives 1687/90
6. So, 56/45 + 70/4 = 1687/90
   In mixed form: 1867/90

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