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Add 84/63 and 1/40

1st number: 1 21/63, 2nd number: 1/40

84/63 + 1/40 is 163/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 40 is 2520
  2. For the 1st fraction, since 63 × 40 = 2520,
    84/63 = 84 × 40/63 × 40 = 3360/2520
  3. Likewise, for the 2nd fraction, since 40 × 63 = 2520,
    1/40 = 1 × 63/40 × 63 = 63/2520
  4. Add the two fractions:
    3360/2520 + 63/2520 = 3360 + 63/2520 = 3423/2520
  5. After reducing the fraction, the answer is 163/120
  6. In mixed form: 143/120

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