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Add 21/56 and 40/18

1st number: 21/56, 2nd number: 2 4/18

21/56 + 40/18 is 187/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 18 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 56 × 9 = 504,
    21/56 = 21 × 9/56 × 9 = 189/504
  3. Likewise, for the 2nd fraction, since 18 × 28 = 504,
    40/18 = 40 × 28/18 × 28 = 1120/504
  4. Add the two like fractions:
    189/504 + 1120/504 = 189 + 1120/504 = 1309/504
  5. 1309/504 simplified gives 187/72
  6. So, 21/56 + 40/18 = 187/72
    In mixed form: 243/72

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