Answers

Add 21/56 and 3/49

21/56 + 3/49 is 171/392.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 49 is 392
   
   Next, find the equivalent fraction of both fractional numbers with denominator 392
2. For the 1st fraction, since 56 × 7 = 392,
   21/56 = 21 × 7/56 × 7 = 147/392
3. Likewise, for the 2nd fraction, since 49 × 8 = 392,
   3/49 = 3 × 8/49 × 8 = 24/392
4. Add the two like fractions:
   147/392 + 24/392 = 147 + 24/392 = 171/392
5. So, 21/56 + 3/49 = 171/392

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