Answers

Add 70/90 and 90/4

1^st number: 70/90, 2^nd number: 22 2/4

70/90 + 90/4 is 419/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 4 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 90 × 2 = 180,
   70/90 = 70 × 2/90 × 2 = 140/180
3. Likewise, for the 2nd fraction, since 4 × 45 = 180,
   90/4 = 90 × 45/4 × 45 = 4050/180
4. Add the two like fractions:
   140/180 + 4050/180 = 140 + 4050/180 = 4190/180
5. 4190/180 simplified gives 419/18
6. So, 70/90 + 90/4 = 419/18
   In mixed form: 235/18

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