Answers

Add 4/60 and 45/63

4/60 + 45/63 is 82/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 63 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 60 × 21 = 1260,
   4/60 = 4 × 21/60 × 21 = 84/1260
3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
   45/63 = 45 × 20/63 × 20 = 900/1260
4. Add the two like fractions:
   84/1260 + 900/1260 = 84 + 900/1260 = 984/1260
5. 984/1260 simplified gives 82/105
6. So, 4/60 + 45/63 = 82/105

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