Answers

Add 40/54 and 45/40

1^st number: 40/54, 2^nd number: 1 5/40

40/54 + 45/40 is 403/216.

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,
   40/54 = 40 × 20/54 × 20 = 800/1080
3. Likewise, for the 2nd fraction, since 40 × 27 = 1080,
   45/40 = 45 × 27/40 × 27 = 1215/1080
4. Add the two like fractions:
   800/1080 + 1215/1080 = 800 + 1215/1080 = 2015/1080
5. 2015/1080 simplified gives 403/216
6. So, 40/54 + 45/40 = 403/216
   In mixed form: 1187/216

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