Answers

Add 24/28 and 2/21

24/28 + 2/21 is 20/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 21 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 28 × 3 = 84,
   24/28 = 24 × 3/28 × 3 = 72/84
3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
   2/21 = 2 × 4/21 × 4 = 8/84
4. Add the two like fractions:
   72/84 + 8/84 = 72 + 8/84 = 80/84
5. 80/84 simplified gives 20/21
6. So, 24/28 + 2/21 = 20/21

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