Answers

Add 75/45 and 90/14

1^st number: 1 30/45, 2^nd number: 6 6/14

75/45 + 90/14 is 170/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 14 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 45 × 14 = 630,
   75/45 = 75 × 14/45 × 14 = 1050/630
3. Likewise, for the 2nd fraction, since 14 × 45 = 630,
   90/14 = 90 × 45/14 × 45 = 4050/630
4. Add the two like fractions:
   1050/630 + 4050/630 = 1050 + 4050/630 = 5100/630
5. 5100/630 simplified gives 170/21
6. So, 75/45 + 90/14 = 170/21
   In mixed form: 82/21

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