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Add 50/21 and 20/72

1st number: 2 8/21, 2nd number: 20/72

50/21 + 20/72 is 335/126.

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,
    50/21 = 50 × 24/21 × 24 = 1200/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    20/72 = 20 × 7/72 × 7 = 140/504
  4. Add the two fractions:
    1200/504 + 140/504 = 1200 + 140/504 = 1340/504
  5. 1340/504 simplified gives 335/126
  6. So, 50/21 + 20/72 = 335/126
    In mixed form: 283/126

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