Answers

Add 54/60 and 75/84

54/60 + 75/84 is 251/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 60 × 7 = 420,
   54/60 = 54 × 7/60 × 7 = 378/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   75/84 = 75 × 5/84 × 5 = 375/420
4. Add the two like fractions:
   378/420 + 375/420 = 378 + 375/420 = 753/420
5. 753/420 simplified gives 251/140
6. So, 54/60 + 75/84 = 251/140
   In mixed form: 1111/140

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