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Add 21/36 and 63/40

1st number: 21/36, 2nd number: 1 23/40

21/36 + 63/40 is 259/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 40 is 360
  2. For the 1st fraction, since 36 × 10 = 360,
    21/36 = 21 × 10/36 × 10 = 210/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    63/40 = 63 × 9/40 × 9 = 567/360
  4. Add the two fractions:
    210/360 + 567/360 = 210 + 567/360 = 777/360
  5. 777/360 simplified gives 259/120
  6. So, 21/36 + 63/40 = 259/120
    In mixed form: 219/120

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