Subtract 8/40 from 14/84
14/84 - 8/40 is -1/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 40 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 84 × 10 = 840,
14/84 = 14 × 10/84 × 10 = 140/840 - Likewise, for the 2nd fraction, since 40 × 21 = 840,
8/40 = 8 × 21/40 × 21 = 168/840 - Subtract the two like fractions:
140/840 - 168/840 = 140 - 168/840 = -28/840 - After reducing the fraction, the answer is -1/30
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