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Add 7/20 and 21/48

7/20 + 21/48 is 63/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 48 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 20 × 12 = 240,
    7/20 = 7 × 12/20 × 12 = 84/240
  3. Likewise, for the 2nd fraction, since 48 × 5 = 240,
    21/48 = 21 × 5/48 × 5 = 105/240
  4. Add the two like fractions:
    84/240 + 105/240 = 84 + 105/240 = 189/240
  5. 189/240 simplified gives 63/80
  6. So, 7/20 + 21/48 = 63/80

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