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Add 30/7 and 21/72

1st number: 4 2/7, 2nd number: 21/72

30/7 + 21/72 is 769/168.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 7 × 72 = 504,
    30/7 = 30 × 72/7 × 72 = 2160/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    21/72 = 21 × 7/72 × 7 = 147/504
  4. Add the two like fractions:
    2160/504 + 147/504 = 2160 + 147/504 = 2307/504
  5. 2307/504 simplified gives 769/168
  6. So, 30/7 + 21/72 = 769/168
    In mixed form: 497/168

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