Subtract 21/48 from 42/56
42/56 - 21/48 is 5/16.
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,
42/56 = 42 × 6/56 × 6 = 252/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
21/48 = 21 × 7/48 × 7 = 147/336 - Subtract the two like fractions:
252/336 - 147/336 = 252 - 147/336 = 105/336 - After reducing the fraction, the answer is 5/16
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