Answers

Add 90/45 and 42/96

1^st number: 2 0/45, 2^nd number: 42/96

90/45 + 42/96 is 39/16.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 96 is 1440
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1440
2. For the 1st fraction, since 45 × 32 = 1440,
   90/45 = 90 × 32/45 × 32 = 2880/1440
3. Likewise, for the 2nd fraction, since 96 × 15 = 1440,
   42/96 = 42 × 15/96 × 15 = 630/1440
4. Add the two like fractions:
   2880/1440 + 630/1440 = 2880 + 630/1440 = 3510/1440
5. 3510/1440 simplified gives 39/16
6. So, 90/45 + 42/96 = 39/16
   In mixed form: 27/16

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