Answers

Add 49/90 and 36/21

1^st number: 49/90, 2^nd number: 1 15/21

49/90 + 36/21 is 1423/630.

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,
   49/90 = 49 × 7/90 × 7 = 343/630
3. Likewise, for the 2nd fraction, since 21 × 30 = 630,
   36/21 = 36 × 30/21 × 30 = 1080/630
4. Add the two like fractions:
   343/630 + 1080/630 = 343 + 1080/630 = 1423/630
5. So, 49/90 + 36/21 = 1423/630
   In mixed form: 2163/630

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