Answers

Add 54/40 and 56/63

1^st number: 1 14/40, 2^nd number: 56/63

54/40 + 56/63 is 403/180.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 63 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 40 × 63 = 2520,
   54/40 = 54 × 63/40 × 63 = 3402/2520
3. Likewise, for the 2nd fraction, since 63 × 40 = 2520,
   56/63 = 56 × 40/63 × 40 = 2240/2520
4. Add the two like fractions:
   3402/2520 + 2240/2520 = 3402 + 2240/2520 = 5642/2520
5. 5642/2520 simplified gives 403/180
6. So, 54/40 + 56/63 = 403/180
   In mixed form: 243/180

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