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Add 1/7 and 90/72

1st number: 1/7, 2nd number: 1 18/72

1/7 + 90/72 is 39/28.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 7 × 72 = 504,
    1/7 = 1 × 72/7 × 72 = 72/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    90/72 = 90 × 7/72 × 7 = 630/504
  4. Add the two like fractions:
    72/504 + 630/504 = 72 + 630/504 = 702/504
  5. 702/504 simplified gives 39/28
  6. So, 1/7 + 90/72 = 39/28
    In mixed form: 111/28

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