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Add 21/18 and 7/8

1st number: 1 3/18, 2nd number: 7/8

21/18 + 7/8 is 49/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 8 is 72
  2. For the 1st fraction, since 18 × 4 = 72,
    21/18 = 21 × 4/18 × 4 = 84/72
  3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
    7/8 = 7 × 9/8 × 9 = 63/72
  4. Add the two fractions:
    84/72 + 63/72 = 84 + 63/72 = 147/72
  5. 147/72 simplified gives 49/24
  6. So, 21/18 + 7/8 = 49/24
    In mixed form: 21/24

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