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Add 15/28 and 10/72

15/28 + 10/72 is 85/126.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 28 × 18 = 504,
    15/28 = 15 × 18/28 × 18 = 270/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    10/72 = 10 × 7/72 × 7 = 70/504
  4. Add the two like fractions:
    270/504 + 70/504 = 270 + 70/504 = 340/504
  5. 340/504 simplified gives 85/126
  6. So, 15/28 + 10/72 = 85/126

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