Answers

Add 16/63 and 45/90

16/63 + 45/90 is 95/126.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 90 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   16/63 = 16 × 10/63 × 10 = 160/630
3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
   45/90 = 45 × 7/90 × 7 = 315/630
4. Add the two like fractions:
   160/630 + 315/630 = 160 + 315/630 = 475/630
5. 475/630 simplified gives 95/126
6. So, 16/63 + 45/90 = 95/126

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