Add 14/5 and 40/21
1st number: 2 4/5, 2nd number: 1 19/21
14/5 + 40/21 is 494/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 21 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 5 × 21 = 105,
14/5 = 14 × 21/5 × 21 = 294/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
40/21 = 40 × 5/21 × 5 = 200/105 - Add the two like fractions:
294/105 + 200/105 = 294 + 200/105 = 494/105 - So, 14/5 + 40/21 = 494/105
In mixed form: 474/105
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