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Add 98/21 and 56/40

1st number: 4 14/21, 2nd number: 1 16/40

98/21 + 56/40 is 91/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 40 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 21 × 40 = 840,
    98/21 = 98 × 40/21 × 40 = 3920/840
  3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
    56/40 = 56 × 21/40 × 21 = 1176/840
  4. Add the two like fractions:
    3920/840 + 1176/840 = 3920 + 1176/840 = 5096/840
  5. 5096/840 simplified gives 91/15
  6. So, 98/21 + 56/40 = 91/15
    In mixed form: 61/15

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