Answers

Add 50/90 and 50/21

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

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

Steps for adding fractions

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

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