Answers

Add 10/45 and 7/63

10/45 + 7/63 is 1/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 63 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 45 × 7 = 315,
   10/45 = 10 × 7/45 × 7 = 70/315
3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
   7/63 = 7 × 5/63 × 5 = 35/315
4. Add the two like fractions:
   70/315 + 35/315 = 70 + 35/315 = 105/315
5. 105/315 simplified gives 1/3
6. So, 10/45 + 7/63 = 1/3

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