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Add 15/49 and 21/72

15/49 + 21/72 is 703/1176.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 72 is 3528

    Next, find the equivalent fraction of both fractional numbers with denominator 3528
  2. For the 1st fraction, since 49 × 72 = 3528,
    15/49 = 15 × 72/49 × 72 = 1080/3528
  3. Likewise, for the 2nd fraction, since 72 × 49 = 3528,
    21/72 = 21 × 49/72 × 49 = 1029/3528
  4. Add the two like fractions:
    1080/3528 + 1029/3528 = 1080 + 1029/3528 = 2109/3528
  5. 2109/3528 simplified gives 703/1176
  6. So, 15/49 + 21/72 = 703/1176

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