Answers

Add 2/10 and 63/90

2/10 + 63/90 is 9/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 90 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 10 × 9 = 90,
   2/10 = 2 × 9/10 × 9 = 18/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   63/90 = 63 × 1/90 × 1 = 63/90
4. Add the two like fractions:
   18/90 + 63/90 = 18 + 63/90 = 81/90
5. 81/90 simplified gives 9/10
6. So, 2/10 + 63/90 = 9/10

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