Answers

Add 90/63 and 30/10

1^st number: 1 27/63, 2^nd number: 3 0/10

90/63 + 30/10 is 31/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 10 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   90/63 = 90 × 10/63 × 10 = 900/630
3. Likewise, for the 2nd fraction, since 10 × 63 = 630,
   30/10 = 30 × 63/10 × 63 = 1890/630
4. Add the two like fractions:
   900/630 + 1890/630 = 900 + 1890/630 = 2790/630
5. 2790/630 simplified gives 31/7
6. So, 90/63 + 30/10 = 31/7
   In mixed form: 43/7

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