Answers

Add 30/90 and 56/21

1^st number: 30/90, 2^nd number: 2 14/21

30/90 + 56/21 is 3/1.

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,
   30/90 = 30 × 7/90 × 7 = 210/630
3. Likewise, for the 2nd fraction, since 21 × 30 = 630,
   56/21 = 56 × 30/21 × 30 = 1680/630
4. Add the two like fractions:
   210/630 + 1680/630 = 210 + 1680/630 = 1890/630
5. 1890/630 simplified gives 3/1
6. So, 30/90 + 56/21 = 3/1

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