Subtract 9/42 from 8/16
8/16 - 9/42 is 2/7.
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,
8/16 = 8 × 21/16 × 21 = 168/336 - Likewise, for the 2nd fraction, since 42 × 8 = 336,
9/42 = 9 × 8/42 × 8 = 72/336 - Subtract the two like fractions:
168/336 - 72/336 = 168 - 72/336 = 96/336 - After reducing the fraction, the answer is 2/7
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