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Add 2/5 and 21/98

2/5 + 21/98 is 43/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 98 is 490

    Next, find the equivalent fraction of both fractional numbers with denominator 490
  2. For the 1st fraction, since 5 × 98 = 490,
    2/5 = 2 × 98/5 × 98 = 196/490
  3. Likewise, for the 2nd fraction, since 98 × 5 = 490,
    21/98 = 21 × 5/98 × 5 = 105/490
  4. Add the two like fractions:
    196/490 + 105/490 = 196 + 105/490 = 301/490
  5. 301/490 simplified gives 43/70
  6. So, 2/5 + 21/98 = 43/70

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