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Add 28/21 and 4/49

1st number: 1 7/21, 2nd number: 4/49

28/21 + 4/49 is 208/147.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 49 is 147
  2. For the 1st fraction, since 21 × 7 = 147,
    28/21 = 28 × 7/21 × 7 = 196/147
  3. Likewise, for the 2nd fraction, since 49 × 3 = 147,
    4/49 = 4 × 3/49 × 3 = 12/147
  4. Add the two fractions:
    196/147 + 12/147 = 196 + 12/147 = 208/147
  5. In mixed form: 161/147

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