Answers

Add 40/42 and 72/96

40/42 + 72/96 is 143/84.

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,
   40/42 = 40 × 16/42 × 16 = 640/672
3. Likewise, for the 2nd fraction, since 96 × 7 = 672,
   72/96 = 72 × 7/96 × 7 = 504/672
4. Add the two like fractions:
   640/672 + 504/672 = 640 + 504/672 = 1144/672
5. 1144/672 simplified gives 143/84
6. So, 40/42 + 72/96 = 143/84
   In mixed form: 159/84

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