Subtract 10/84 from 30/35
30/35 - 10/84 is 31/42.
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,
30/35 = 30 × 12/35 × 12 = 360/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
10/84 = 10 × 5/84 × 5 = 50/420 - Subtract the two like fractions:
360/420 - 50/420 = 360 - 50/420 = 310/420 - After reducing the fraction, the answer is 31/42
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