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Add 90/7 and 18/60

1st number: 12 6/7, 2nd number: 18/60

90/7 + 18/60 is 921/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 60 is 420
  2. For the 1st fraction, since 7 × 60 = 420,
    90/7 = 90 × 60/7 × 60 = 5400/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    18/60 = 18 × 7/60 × 7 = 126/420
  4. Add the two fractions:
    5400/420 + 126/420 = 5400 + 126/420 = 5526/420
  5. 5526/420 simplified gives 921/70
  6. So, 90/7 + 18/60 = 921/70
    In mixed form: 1311/70

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