Subtract 28/48 from 30/56
30/56 - 28/48 is -1/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 56 × 6 = 336,
30/56 = 30 × 6/56 × 6 = 180/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
28/48 = 28 × 7/48 × 7 = 196/336 - Subtract the two like fractions:
180/336 - 196/336 = 180 - 196/336 = -16/336 - After reducing the fraction, the answer is -1/21
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