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Add 90/8 and 50/21

1st number: 11 2/8, 2nd number: 2 8/21

90/8 + 50/21 is 1145/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 21 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 8 × 21 = 168,
    90/8 = 90 × 21/8 × 21 = 1890/168
  3. Likewise, for the 2nd fraction, since 21 × 8 = 168,
    50/21 = 50 × 8/21 × 8 = 400/168
  4. Add the two like fractions:
    1890/168 + 400/168 = 1890 + 400/168 = 2290/168
  5. 2290/168 simplified gives 1145/84
  6. So, 90/8 + 50/21 = 1145/84
    In mixed form: 1353/84

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