Answers

Add 50/21 and 42/20

1^st number: 2 8/21, 2^nd number: 2 2/20

50/21 + 42/20 is 941/210.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 20 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 21 × 20 = 420,
   50/21 = 50 × 20/21 × 20 = 1000/420
3. Likewise, for the 2nd fraction, since 20 × 21 = 420,
   42/20 = 42 × 21/20 × 21 = 882/420
4. Add the two like fractions:
   1000/420 + 882/420 = 1000 + 882/420 = 1882/420
5. 1882/420 simplified gives 941/210
6. So, 50/21 + 42/20 = 941/210
   In mixed form: 4101/210

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