Answers

Add 25/90 and 42/16

1^st number: 25/90, 2^nd number: 2 10/16

25/90 + 42/16 is 209/72.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 16 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 90 × 8 = 720,
   25/90 = 25 × 8/90 × 8 = 200/720
3. Likewise, for the 2nd fraction, since 16 × 45 = 720,
   42/16 = 42 × 45/16 × 45 = 1890/720
4. Add the two like fractions:
   200/720 + 1890/720 = 200 + 1890/720 = 2090/720
5. 2090/720 simplified gives 209/72
6. So, 25/90 + 42/16 = 209/72
   In mixed form: 265/72

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