Answers

Add 6/90 and 45/21

1^st number: 6/90, 2^nd number: 2 3/21

6/90 + 45/21 is 232/105.

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,
   6/90 = 6 × 7/90 × 7 = 42/630
3. Likewise, for the 2nd fraction, since 21 × 30 = 630,
   45/21 = 45 × 30/21 × 30 = 1350/630
4. Add the two like fractions:
   42/630 + 1350/630 = 42 + 1350/630 = 1392/630
5. 1392/630 simplified gives 232/105
6. So, 6/90 + 45/21 = 232/105
   In mixed form: 222/105

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