Subtract 49/21 from 49/48
1st number: 1 1/48, 2nd number: 2 7/21
49/48 - 49/21 is -21/16.
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,
49/48 = 49 × 7/48 × 7 = 343/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
49/21 = 49 × 16/21 × 16 = 784/336 - Subtract the two like fractions:
343/336 - 784/336 = 343 - 784/336 = -441/336 - After reducing the fraction, the answer is -21/16
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