Subtract 1/84 from 20/35
20/35 - 1/84 is 47/84.
Steps for subtracting 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 - Subtract the two like fractions:
240/420 - 5/420 = 240 - 5/420 = 235/420 - After reducing the fraction, the answer is 47/84
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