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Add 72/10 and 10/84

1st number: 7 2/10, 2nd number: 10/84

72/10 + 10/84 is 1537/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 84 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 10 × 42 = 420,
    72/10 = 72 × 42/10 × 42 = 3024/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    10/84 = 10 × 5/84 × 5 = 50/420
  4. Add the two like fractions:
    3024/420 + 50/420 = 3024 + 50/420 = 3074/420
  5. 3074/420 simplified gives 1537/210
  6. So, 72/10 + 10/84 = 1537/210
    In mixed form: 767/210

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