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Add 21/15 and 30/98

1st number: 1 6/15, 2nd number: 30/98

21/15 + 30/98 is 418/245.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 98 is 1470

    Next, find the equivalent fraction of both fractional numbers with denominator 1470
  2. For the 1st fraction, since 15 × 98 = 1470,
    21/15 = 21 × 98/15 × 98 = 2058/1470
  3. Likewise, for the 2nd fraction, since 98 × 15 = 1470,
    30/98 = 30 × 15/98 × 15 = 450/1470
  4. Add the two like fractions:
    2058/1470 + 450/1470 = 2058 + 450/1470 = 2508/1470
  5. 2508/1470 simplified gives 418/245
  6. So, 21/15 + 30/98 = 418/245
    In mixed form: 1173/245

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