Subtract 9/42 from 4/16
4/16 - 9/42 is 1/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 42 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
4/16 = 4 × 21/16 × 21 = 84/336 - Likewise, for the 2nd fraction, since 42 × 8 = 336,
9/42 = 9 × 8/42 × 8 = 72/336 - Subtract the two like fractions:
84/336 - 72/336 = 84 - 72/336 = 12/336 - After reducing the fraction, the answer is 1/28
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