Subtract 35/70 from 10/84
10/84 - 35/70 is -8/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
10/84 = 10 × 5/84 × 5 = 50/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
35/70 = 35 × 6/70 × 6 = 210/420 - Subtract the two like fractions:
50/420 - 210/420 = 50 - 210/420 = -160/420 - After reducing the fraction, the answer is -8/21
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