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Add 21/28 and 90/49

1st number: 21/28, 2nd number: 1 41/49

21/28 + 90/49 is 507/196.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 49 is 196
  2. For the 1st fraction, since 28 × 7 = 196,
    21/28 = 21 × 7/28 × 7 = 147/196
  3. Likewise, for the 2nd fraction, since 49 × 4 = 196,
    90/49 = 90 × 4/49 × 4 = 360/196
  4. Add the two fractions:
    147/196 + 360/196 = 147 + 360/196 = 507/196
  5. In mixed form: 2115/196

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