Answers

Add 54/14 and 63/40

1^st number: 3 12/14, 2^nd number: 1 23/40

54/14 + 63/40 is 1521/280.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 40 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 14 × 20 = 280,
   54/14 = 54 × 20/14 × 20 = 1080/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   63/40 = 63 × 7/40 × 7 = 441/280
4. Add the two like fractions:
   1080/280 + 441/280 = 1080 + 441/280 = 1521/280
5. So, 54/14 + 63/40 = 1521/280
   In mixed form: 5121/280

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