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Add 3/72 and 90/7

1st number: 3/72, 2nd number: 12 6/7

3/72 + 90/7 is 2167/168.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 7 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    3/72 = 3 × 7/72 × 7 = 21/504
  3. Likewise, for the 2nd fraction, since 7 × 72 = 504,
    90/7 = 90 × 72/7 × 72 = 6480/504
  4. Add the two like fractions:
    21/504 + 6480/504 = 21 + 6480/504 = 6501/504
  5. 6501/504 simplified gives 2167/168
  6. So, 3/72 + 90/7 = 2167/168
    In mixed form: 12151/168

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