Subtract 32/40 from 9/30
9/30 - 32/40 is -1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
9/30 = 9 × 4/30 × 4 = 36/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
32/40 = 32 × 3/40 × 3 = 96/120 - Subtract the two like fractions:
36/120 - 96/120 = 36 - 96/120 = -60/120 - After reducing the fraction, the answer is -1/2
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