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Add 49/63 and 18/20

49/63 + 18/20 is 151/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 20 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 63 × 20 = 1260,
    49/63 = 49 × 20/63 × 20 = 980/1260
  3. Likewise, for the 2nd fraction, since 20 × 63 = 1260,
    18/20 = 18 × 63/20 × 63 = 1134/1260
  4. Add the two like fractions:
    980/1260 + 1134/1260 = 980 + 1134/1260 = 2114/1260
  5. 2114/1260 simplified gives 151/90
  6. So, 49/63 + 18/20 = 151/90
    In mixed form: 161/90

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