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Add 42/24 and 7/20

1st number: 1 18/24, 2nd number: 7/20

42/24 + 7/20 is 21/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 20 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 24 × 5 = 120,
    42/24 = 42 × 5/24 × 5 = 210/120
  3. Likewise, for the 2nd fraction, since 20 × 6 = 120,
    7/20 = 7 × 6/20 × 6 = 42/120
  4. Add the two like fractions:
    210/120 + 42/120 = 210 + 42/120 = 252/120
  5. 252/120 simplified gives 21/10
  6. So, 42/24 + 7/20 = 21/10
    In mixed form: 21/10

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