Subtract 21/42 from 49/48
1st number: 1 1/48, 2nd number: 21/42
49/48 - 21/42 is 25/48.
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,
49/48 = 49 × 7/48 × 7 = 343/336 - Likewise, for the 2nd fraction, since 42 × 8 = 336,
21/42 = 21 × 8/42 × 8 = 168/336 - Subtract the two like fractions:
343/336 - 168/336 = 343 - 168/336 = 175/336 - After reducing the fraction, the answer is 25/48
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