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Add 18/10 and 98/21

1st number: 1 8/10, 2nd number: 4 14/21

18/10 + 98/21 is 97/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 21 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 10 × 21 = 210,
    18/10 = 18 × 21/10 × 21 = 378/210
  3. Likewise, for the 2nd fraction, since 21 × 10 = 210,
    98/21 = 98 × 10/21 × 10 = 980/210
  4. Add the two like fractions:
    378/210 + 980/210 = 378 + 980/210 = 1358/210
  5. 1358/210 simplified gives 97/15
  6. So, 18/10 + 98/21 = 97/15
    In mixed form: 67/15

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