Subtract 18/84 from 36/70
36/70 - 18/84 is 3/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
36/70 = 36 × 6/70 × 6 = 216/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
18/84 = 18 × 5/84 × 5 = 90/420 - Subtract the two like fractions:
216/420 - 90/420 = 216 - 90/420 = 126/420 - After reducing the fraction, the answer is 3/10
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