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Add 4/21 and 20/49

4/21 + 20/49 is 88/147.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 49 is 147

    Next, find the equivalent fraction of both fractional numbers with denominator 147
  2. For the 1st fraction, since 21 × 7 = 147,
    4/21 = 4 × 7/21 × 7 = 28/147
  3. Likewise, for the 2nd fraction, since 49 × 3 = 147,
    20/49 = 20 × 3/49 × 3 = 60/147
  4. Add the two like fractions:
    28/147 + 60/147 = 28 + 60/147 = 88/147
  5. So, 4/21 + 20/49 = 88/147

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