Answers

Add 50/21 and 50/90

1^st number: 2 8/21, 2^nd number: 50/90

50/21 + 50/90 is 185/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 90 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 21 × 30 = 630,
   50/21 = 50 × 30/21 × 30 = 1500/630
3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
   50/90 = 50 × 7/90 × 7 = 350/630
4. Add the two like fractions:
   1500/630 + 350/630 = 1500 + 350/630 = 1850/630
5. 1850/630 simplified gives 185/63
6. So, 50/21 + 50/90 = 185/63
   In mixed form: 259/63

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