Add 80/20 and 27/42
1st number: 4 0/20, 2nd number: 27/42
80/20 + 27/42 is 65/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 42 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
80/20 = 80 × 21/20 × 21 = 1680/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
27/42 = 27 × 10/42 × 10 = 270/420 - Add the two like fractions:
1680/420 + 270/420 = 1680 + 270/420 = 1950/420 - 1950/420 simplified gives 65/14
- So, 80/20 + 27/42 = 65/14
In mixed form: 49/14
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