Answers

Add 56/40 and 49/54

1^st number: 1 16/40, 2^nd number: 49/54

56/40 + 49/54 is 623/270.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 54 is 1080
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1080
2. For the 1st fraction, since 40 × 27 = 1080,
   56/40 = 56 × 27/40 × 27 = 1512/1080
3. Likewise, for the 2nd fraction, since 54 × 20 = 1080,
   49/54 = 49 × 20/54 × 20 = 980/1080
4. Add the two like fractions:
   1512/1080 + 980/1080 = 1512 + 980/1080 = 2492/1080
5. 2492/1080 simplified gives 623/270
6. So, 56/40 + 49/54 = 623/270
   In mixed form: 283/270

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