Answers

Add 90/42 and 72/96

1^st number: 2 6/42, 2^nd number: 72/96

90/42 + 72/96 is 81/28.

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,
   90/42 = 90 × 16/42 × 16 = 1440/672
3. Likewise, for the 2nd fraction, since 96 × 7 = 672,
   72/96 = 72 × 7/96 × 7 = 504/672
4. Add the two like fractions:
   1440/672 + 504/672 = 1440 + 504/672 = 1944/672
5. 1944/672 simplified gives 81/28
6. So, 90/42 + 72/96 = 81/28
   In mixed form: 225/28

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