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Add 1/8 and 21/60

1/8 + 21/60 is 19/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 60 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 8 × 15 = 120,
    1/8 = 1 × 15/8 × 15 = 15/120
  3. Likewise, for the 2nd fraction, since 60 × 2 = 120,
    21/60 = 21 × 2/60 × 2 = 42/120
  4. Add the two like fractions:
    15/120 + 42/120 = 15 + 42/120 = 57/120
  5. 57/120 simplified gives 19/40
  6. So, 1/8 + 21/60 = 19/40

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