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Add 2/21 and 56/40

1st number: 2/21, 2nd number: 1 16/40

2/21 + 56/40 is 157/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 40 is 840
  2. For the 1st fraction, since 21 × 40 = 840,
    2/21 = 2 × 40/21 × 40 = 80/840
  3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
    56/40 = 56 × 21/40 × 21 = 1176/840
  4. Add the two fractions:
    80/840 + 1176/840 = 80 + 1176/840 = 1256/840
  5. 1256/840 simplified gives 157/105
  6. So, 2/21 + 56/40 = 157/105
    In mixed form: 152/105

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