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Add 18/8 and 21/60

1st number: 2 2/8, 2nd number: 21/60

18/8 + 21/60 is 13/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 60 is 120
  2. For the 1st fraction, since 8 × 15 = 120,
    18/8 = 18 × 15/8 × 15 = 270/120
  3. Likewise, for the 2nd fraction, since 60 × 2 = 120,
    21/60 = 21 × 2/60 × 2 = 42/120
  4. Add the two fractions:
    270/120 + 42/120 = 270 + 42/120 = 312/120
  5. 312/120 simplified gives 13/5
  6. So, 18/8 + 21/60 = 13/5
    In mixed form: 23/5

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