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Add 90/72 and 63/56

1st number: 1 18/72, 2nd number: 1 7/56

90/72 + 63/56 is 19/8.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    90/72 = 90 × 7/72 × 7 = 630/504
  3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
    63/56 = 63 × 9/56 × 9 = 567/504
  4. Add the two like fractions:
    630/504 + 567/504 = 630 + 567/504 = 1197/504
  5. 1197/504 simplified gives 19/8
  6. So, 90/72 + 63/56 = 19/8
    In mixed form: 23/8

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