Answers

Add 42/90 and 45/16

1^st number: 42/90, 2^nd number: 2 13/16

42/90 + 45/16 is 787/240.

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,
   42/90 = 42 × 8/90 × 8 = 336/720
3. Likewise, for the 2nd fraction, since 16 × 45 = 720,
   45/16 = 45 × 45/16 × 45 = 2025/720
4. Add the two like fractions:
   336/720 + 2025/720 = 336 + 2025/720 = 2361/720
5. 2361/720 simplified gives 787/240
6. So, 42/90 + 45/16 = 787/240
   In mixed form: 367/240

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