Answers

Add 75/84 and 20/30

75/84 + 20/30 is 131/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 30 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   75/84 = 75 × 5/84 × 5 = 375/420
3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
   20/30 = 20 × 14/30 × 14 = 280/420
4. Add the two like fractions:
   375/420 + 280/420 = 375 + 280/420 = 655/420
5. 655/420 simplified gives 131/84
6. So, 75/84 + 20/30 = 131/84
   In mixed form: 147/84

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