Add 20/84 and 20/25
20/84 + 20/25 is 109/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 25 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
20/84 = 20 × 25/84 × 25 = 500/2100 - Likewise, for the 2nd fraction, since 25 × 84 = 2100,
20/25 = 20 × 84/25 × 84 = 1680/2100 - Add the two like fractions:
500/2100 + 1680/2100 = 500 + 1680/2100 = 2180/2100 - 2180/2100 simplified gives 109/105
- So, 20/84 + 20/25 = 109/105
In mixed form: 14/105
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