Subtract 21/84 from 6/35
6/35 - 21/84 is -11/140.
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,
6/35 = 6 × 12/35 × 12 = 72/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
21/84 = 21 × 5/84 × 5 = 105/420 - Subtract the two like fractions:
72/420 - 105/420 = 72 - 105/420 = -33/420 - After reducing the fraction, the answer is -11/140
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