Subtract 2/21 from 4/48
4/48 - 2/21 is -1/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 21 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
4/48 = 4 × 7/48 × 7 = 28/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
2/21 = 2 × 16/21 × 16 = 32/336 - Subtract the two like fractions:
28/336 - 32/336 = 28 - 32/336 = -4/336 - After reducing the fraction, the answer is -1/84
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