Answers

Add 72/54 and 4/40

1^st number: 1 18/54, 2^nd number: 4/40

72/54 + 4/40 is 43/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 40 is 1080
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1080
2. For the 1st fraction, since 54 × 20 = 1080,
   72/54 = 72 × 20/54 × 20 = 1440/1080
3. Likewise, for the 2nd fraction, since 40 × 27 = 1080,
   4/40 = 4 × 27/40 × 27 = 108/1080
4. Add the two like fractions:
   1440/1080 + 108/1080 = 1440 + 108/1080 = 1548/1080
5. 1548/1080 simplified gives 43/30
6. So, 72/54 + 4/40 = 43/30
   In mixed form: 113/30

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