Subtract 18/28 from 9/32
9/32 - 18/28 is -81/224.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 28 is 224
Next, find the equivalent fraction of both fractional numbers with denominator 224 - For the 1st fraction, since 32 × 7 = 224,
9/32 = 9 × 7/32 × 7 = 63/224 - Likewise, for the 2nd fraction, since 28 × 8 = 224,
18/28 = 18 × 8/28 × 8 = 144/224 - Subtract the two like fractions:
63/224 - 144/224 = 63 - 144/224 = -81/224
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