Answers

Add 54/14 and 90/45

1^st number: 3 12/14, 2^nd number: 2 0/45

54/14 + 90/45 is 41/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 45 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 14 × 45 = 630,
   54/14 = 54 × 45/14 × 45 = 2430/630
3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
   90/45 = 90 × 14/45 × 14 = 1260/630
4. Add the two like fractions:
   2430/630 + 1260/630 = 2430 + 1260/630 = 3690/630
5. 3690/630 simplified gives 41/7
6. So, 54/14 + 90/45 = 41/7
   In mixed form: 56/7

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