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Add 63/40 and 80/30

1st number: 1 23/40, 2nd number: 2 20/30

63/40 + 80/30 is 509/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 30 is 120
  2. For the 1st fraction, since 40 × 3 = 120,
    63/40 = 63 × 3/40 × 3 = 189/120
  3. Likewise, for the 2nd fraction, since 30 × 4 = 120,
    80/30 = 80 × 4/30 × 4 = 320/120
  4. Add the two fractions:
    189/120 + 320/120 = 189 + 320/120 = 509/120
  5. So, 63/40 + 80/30 = 509/120
    In mixed form: 429/120

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