Answers

Add 21/42 and 36/96

21/42 + 36/96 is 7/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 96 is 672
   
   Next, find the equivalent fraction of both fractional numbers with denominator 672
2. For the 1st fraction, since 42 × 16 = 672,
   21/42 = 21 × 16/42 × 16 = 336/672
3. Likewise, for the 2nd fraction, since 96 × 7 = 672,
   36/96 = 36 × 7/96 × 7 = 252/672
4. Add the two like fractions:
   336/672 + 252/672 = 336 + 252/672 = 588/672
5. 588/672 simplified gives 7/8
6. So, 21/42 + 36/96 = 7/8

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