Answers

Add 45/48 and 2/90

45/48 + 2/90 is 691/720.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 90 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 48 × 15 = 720,
   45/48 = 45 × 15/48 × 15 = 675/720
3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
   2/90 = 2 × 8/90 × 8 = 16/720
4. Add the two like fractions:
   675/720 + 16/720 = 675 + 16/720 = 691/720
5. So, 45/48 + 2/90 = 691/720

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