Subtract 21/42 from 10/48
10/48 - 21/42 is -7/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 42 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
10/48 = 10 × 7/48 × 7 = 70/336 - Likewise, for the 2nd fraction, since 42 × 8 = 336,
21/42 = 21 × 8/42 × 8 = 168/336 - Subtract the two like fractions:
70/336 - 168/336 = 70 - 168/336 = -98/336 - After reducing the fraction, the answer is -7/24
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