Subtract 24/35 from 30/84
30/84 - 24/35 is -23/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
30/84 = 30 × 5/84 × 5 = 150/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
24/35 = 24 × 12/35 × 12 = 288/420 - Subtract the two like fractions:
150/420 - 288/420 = 150 - 288/420 = -138/420 - After reducing the fraction, the answer is -23/70
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