Subtract 30/84 from 12/35
12/35 - 30/84 is -1/70.
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,
12/35 = 12 × 12/35 × 12 = 144/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
30/84 = 30 × 5/84 × 5 = 150/420 - Subtract the two like fractions:
144/420 - 150/420 = 144 - 150/420 = -6/420 - After reducing the fraction, the answer is -1/70
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