Add 20/35 and 1/84
20/35 + 1/84 is 7/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 35 × 12 = 420,
20/35 = 20 × 12/35 × 12 = 240/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
1/84 = 1 × 5/84 × 5 = 5/420 - Add the two like fractions:
240/420 + 5/420 = 240 + 5/420 = 245/420 - 245/420 simplified gives 7/12
- So, 20/35 + 1/84 = 7/12
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