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Add 35/21 and 9/40

1st number: 1 14/21, 2nd number: 9/40

35/21 + 9/40 is 227/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 40 is 840
  2. For the 1st fraction, since 21 × 40 = 840,
    35/21 = 35 × 40/21 × 40 = 1400/840
  3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
    9/40 = 9 × 21/40 × 21 = 189/840
  4. Add the two fractions:
    1400/840 + 189/840 = 1400 + 189/840 = 1589/840
  5. After reducing the fraction, the answer is 227/120
  6. In mixed form: 1107/120

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