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Add 21/98 and 15/8

1st number: 21/98, 2nd number: 1 7/8

21/98 + 15/8 is 117/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 8 is 392

    Next, find the equivalent fraction of both fractional numbers with denominator 392
  2. For the 1st fraction, since 98 × 4 = 392,
    21/98 = 21 × 4/98 × 4 = 84/392
  3. Likewise, for the 2nd fraction, since 8 × 49 = 392,
    15/8 = 15 × 49/8 × 49 = 735/392
  4. Add the two like fractions:
    84/392 + 735/392 = 84 + 735/392 = 819/392
  5. 819/392 simplified gives 117/56
  6. So, 21/98 + 15/8 = 117/56
    In mixed form: 25/56

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