Add 20/84 and 30/75
20/84 + 30/75 is 67/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 75 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 75 × 28 = 2100,
30/75 = 30 × 28/75 × 28 = 840/2100 - Add the two like fractions:
500/2100 + 840/2100 = 500 + 840/2100 = 1340/2100 - 1340/2100 simplified gives 67/105
- So, 20/84 + 30/75 = 67/105
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