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Add 30/21 and 10/72

1st number: 1 9/21, 2nd number: 10/72

30/21 + 10/72 is 395/252.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 72 is 504
  2. For the 1st fraction, since 21 × 24 = 504,
    30/21 = 30 × 24/21 × 24 = 720/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    10/72 = 10 × 7/72 × 7 = 70/504
  4. Add the two fractions:
    720/504 + 70/504 = 720 + 70/504 = 790/504
  5. After reducing the fraction, the answer is 395/252
  6. In mixed form: 1143/252

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