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Add 56/40 and 7/21

1st number: 1 16/40, 2nd number: 7/21

56/40 + 7/21 is 26/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 21 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 40 × 21 = 840,
    56/40 = 56 × 21/40 × 21 = 1176/840
  3. Likewise, for the 2nd fraction, since 21 × 40 = 840,
    7/21 = 7 × 40/21 × 40 = 280/840
  4. Add the two like fractions:
    1176/840 + 280/840 = 1176 + 280/840 = 1456/840
  5. 1456/840 simplified gives 26/15
  6. So, 56/40 + 7/21 = 26/15
    In mixed form: 111/15

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