Subtract 3/84 from 20/48
20/48 - 3/84 is 8/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 84 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
20/48 = 20 × 7/48 × 7 = 140/336 - Likewise, for the 2nd fraction, since 84 × 4 = 336,
3/84 = 3 × 4/84 × 4 = 12/336 - Subtract the two like fractions:
140/336 - 12/336 = 140 - 12/336 = 128/336 - After reducing the fraction, the answer is 8/21
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