Answers

Add 75/12 and 54/80

1^st number: 6 3/12, 2^nd number: 54/80

75/12 + 54/80 is 277/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 80 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 12 × 20 = 240,
   75/12 = 75 × 20/12 × 20 = 1500/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   54/80 = 54 × 3/80 × 3 = 162/240
4. Add the two like fractions:
   1500/240 + 162/240 = 1500 + 162/240 = 1662/240
5. 1662/240 simplified gives 277/40
6. So, 75/12 + 54/80 = 277/40
   In mixed form: 637/40

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