Answers

Add 21/60 and 50/63

21/60 + 50/63 is 1441/1260.

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,
   21/60 = 21 × 21/60 × 21 = 441/1260
3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
   50/63 = 50 × 20/63 × 20 = 1000/1260
4. Add the two like fractions:
   441/1260 + 1000/1260 = 441 + 1000/1260 = 1441/1260
5. So, 21/60 + 50/63 = 1441/1260
   In mixed form: 1181/1260

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