Subtract 6/9 from 16/40
16/40 - 6/9 is -4/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 9 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
16/40 = 16 × 9/40 × 9 = 144/360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,
6/9 = 6 × 40/9 × 40 = 240/360 - Subtract the two like fractions:
144/360 - 240/360 = 144 - 240/360 = -96/360 - After reducing the fraction, the answer is -4/15
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