Add 3/84 and 20/25
3/84 + 20/25 is 117/140.
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,
3/84 = 3 × 25/84 × 25 = 75/2100 - Likewise, for the 2nd fraction, since 25 × 84 = 2100,
20/25 = 20 × 84/25 × 84 = 1680/2100 - Add the two like fractions:
75/2100 + 1680/2100 = 75 + 1680/2100 = 1755/2100 - 1755/2100 simplified gives 117/140
- So, 3/84 + 20/25 = 117/140
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