Subtract 21/48 from 10/28
10/28 - 21/48 is -9/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 28 × 12 = 336,
10/28 = 10 × 12/28 × 12 = 120/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
21/48 = 21 × 7/48 × 7 = 147/336 - Subtract the two like fractions:
120/336 - 147/336 = 120 - 147/336 = -27/336 - After reducing the fraction, the answer is -9/112
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