Answers

Add 50/4 and 42/90

1^st number: 12 2/4, 2^nd number: 42/90

50/4 + 42/90 is 389/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 90 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 4 × 45 = 180,
   50/4 = 50 × 45/4 × 45 = 2250/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   42/90 = 42 × 2/90 × 2 = 84/180
4. Add the two like fractions:
   2250/180 + 84/180 = 2250 + 84/180 = 2334/180
5. 2334/180 simplified gives 389/30
6. So, 50/4 + 42/90 = 389/30
   In mixed form: 1229/30

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