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Add 21/72 and 75/10

1st number: 21/72, 2nd number: 7 5/10

21/72 + 75/10 is 187/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 10 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    21/72 = 21 × 5/72 × 5 = 105/360
  3. Likewise, for the 2nd fraction, since 10 × 36 = 360,
    75/10 = 75 × 36/10 × 36 = 2700/360
  4. Add the two like fractions:
    105/360 + 2700/360 = 105 + 2700/360 = 2805/360
  5. 2805/360 simplified gives 187/24
  6. So, 21/72 + 75/10 = 187/24
    In mixed form: 719/24

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