Subtract 16/30 from 4/9
4/9 - 16/30 is -4/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
4/9 = 4 × 10/9 × 10 = 40/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
16/30 = 16 × 3/30 × 3 = 48/90 - Subtract the two like fractions:
40/90 - 48/90 = 40 - 48/90 = -8/90 - After reducing the fraction, the answer is -4/45
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