Add 12/84 and 20/35
12/84 + 20/35 is 5/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
12/84 = 12 × 5/84 × 5 = 60/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
20/35 = 20 × 12/35 × 12 = 240/420 - Add the two like fractions:
60/420 + 240/420 = 60 + 240/420 = 300/420 - 300/420 simplified gives 5/7
- So, 12/84 + 20/35 = 5/7
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