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Add 90/56 and 90/72

1st number: 1 34/56, 2nd number: 1 18/72

90/56 + 90/72 is 20/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 56 × 9 = 504,
    90/56 = 90 × 9/56 × 9 = 810/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    90/72 = 90 × 7/72 × 7 = 630/504
  4. Add the two like fractions:
    810/504 + 630/504 = 810 + 630/504 = 1440/504
  5. 1440/504 simplified gives 20/7
  6. So, 90/56 + 90/72 = 20/7
    In mixed form: 26/7

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