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Add 84/8 and 21/45

1st number: 10 4/8, 2nd number: 21/45

84/8 + 21/45 is 329/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 45 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 8 × 45 = 360,
    84/8 = 84 × 45/8 × 45 = 3780/360
  3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
    21/45 = 21 × 8/45 × 8 = 168/360
  4. Add the two like fractions:
    3780/360 + 168/360 = 3780 + 168/360 = 3948/360
  5. 3948/360 simplified gives 329/30
  6. So, 84/8 + 21/45 = 329/30
    In mixed form: 1029/30

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