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Add 42/56 and 90/63

1st number: 42/56, 2nd number: 1 27/63

42/56 + 90/63 is 61/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 63 is 504
  2. For the 1st fraction, since 56 × 9 = 504,
    42/56 = 42 × 9/56 × 9 = 378/504
  3. Likewise, for the 2nd fraction, since 63 × 8 = 504,
    90/63 = 90 × 8/63 × 8 = 720/504
  4. Add the two fractions:
    378/504 + 720/504 = 378 + 720/504 = 1098/504
  5. 1098/504 simplified gives 61/28
  6. So, 42/56 + 90/63 = 61/28
    In mixed form: 25/28

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