Answers

Add 48/54 and 45/40

1^st number: 48/54, 2^nd number: 1 5/40

48/54 + 45/40 is 145/72.

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,
   48/54 = 48 × 20/54 × 20 = 960/1080
3. Likewise, for the 2nd fraction, since 40 × 27 = 1080,
   45/40 = 45 × 27/40 × 27 = 1215/1080
4. Add the two like fractions:
   960/1080 + 1215/1080 = 960 + 1215/1080 = 2175/1080
5. 2175/1080 simplified gives 145/72
6. So, 48/54 + 45/40 = 145/72
   In mixed form: 21/72

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