Answers

Add 45/14 and 54/90

1^st number: 3 3/14, 2^nd number: 54/90

45/14 + 54/90 is 267/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 90 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 14 × 45 = 630,
   45/14 = 45 × 45/14 × 45 = 2025/630
3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
   54/90 = 54 × 7/90 × 7 = 378/630
4. Add the two like fractions:
   2025/630 + 378/630 = 2025 + 378/630 = 2403/630
5. 2403/630 simplified gives 267/70
6. So, 45/14 + 54/90 = 267/70
   In mixed form: 357/70

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