Subtract 4/21 from 1/48
1/48 - 4/21 is -19/112.
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,
1/48 = 1 × 7/48 × 7 = 7/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
4/21 = 4 × 16/21 × 16 = 64/336 - Subtract the two like fractions:
7/336 - 64/336 = 7 - 64/336 = -57/336 - After reducing the fraction, the answer is -19/112
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