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Add 21/25 and 42/98

21/25 + 42/98 is 222/175.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 98 is 2450

    Next, find the equivalent fraction of both fractional numbers with denominator 2450
  2. For the 1st fraction, since 25 × 98 = 2450,
    21/25 = 21 × 98/25 × 98 = 2058/2450
  3. Likewise, for the 2nd fraction, since 98 × 25 = 2450,
    42/98 = 42 × 25/98 × 25 = 1050/2450
  4. Add the two like fractions:
    2058/2450 + 1050/2450 = 2058 + 1050/2450 = 3108/2450
  5. 3108/2450 simplified gives 222/175
  6. So, 21/25 + 42/98 = 222/175
    In mixed form: 147/175

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