Answers

Add 49/10 and 90/63

1^st number: 4 9/10, 2^nd number: 1 27/63

49/10 + 90/63 is 443/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 63 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 10 × 63 = 630,
   49/10 = 49 × 63/10 × 63 = 3087/630
3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
   90/63 = 90 × 10/63 × 10 = 900/630
4. Add the two like fractions:
   3087/630 + 900/630 = 3087 + 900/630 = 3987/630
5. 3987/630 simplified gives 443/70
6. So, 49/10 + 90/63 = 443/70
   In mixed form: 623/70

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