Answers

Add 21/50 and 56/63

21/50 + 56/63 is 589/450.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 63 is 3150
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3150
2. For the 1st fraction, since 50 × 63 = 3150,
   21/50 = 21 × 63/50 × 63 = 1323/3150
3. Likewise, for the 2nd fraction, since 63 × 50 = 3150,
   56/63 = 56 × 50/63 × 50 = 2800/3150
4. Add the two like fractions:
   1323/3150 + 2800/3150 = 1323 + 2800/3150 = 4123/3150
5. 4123/3150 simplified gives 589/450
6. So, 21/50 + 56/63 = 589/450
   In mixed form: 1139/450

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