Subtract 28/48 from 5/21
5/21 - 28/48 is -29/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
5/21 = 5 × 16/21 × 16 = 80/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
28/48 = 28 × 7/48 × 7 = 196/336 - Subtract the two like fractions:
80/336 - 196/336 = 80 - 196/336 = -116/336 - After reducing the fraction, the answer is -29/84
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