Answers

Add 54/45 and 63/49

1^st number: 1 9/45, 2^nd number: 1 14/49

54/45 + 63/49 is 87/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 49 is 2205
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2205
2. For the 1st fraction, since 45 × 49 = 2205,
   54/45 = 54 × 49/45 × 49 = 2646/2205
3. Likewise, for the 2nd fraction, since 49 × 45 = 2205,
   63/49 = 63 × 45/49 × 45 = 2835/2205
4. Add the two like fractions:
   2646/2205 + 2835/2205 = 2646 + 2835/2205 = 5481/2205
5. 5481/2205 simplified gives 87/35
6. So, 54/45 + 63/49 = 87/35
   In mixed form: 217/35

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