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Add 48/90 and 15/21

48/90 + 15/21 is 131/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 21 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    48/90 = 48 × 7/90 × 7 = 336/630
  3. Likewise, for the 2nd fraction, since 21 × 30 = 630,
    15/21 = 15 × 30/21 × 30 = 450/630
  4. Add the two like fractions:
    336/630 + 450/630 = 336 + 450/630 = 786/630
  5. 786/630 simplified gives 131/105
  6. So, 48/90 + 15/21 = 131/105
    In mixed form: 126/105

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