Subtract 4/32 from 4/72
4/72 - 4/32 is -5/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 32 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 72 × 4 = 288,
4/72 = 4 × 4/72 × 4 = 16/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
4/32 = 4 × 9/32 × 9 = 36/288 - Subtract the two like fractions:
16/288 - 36/288 = 16 - 36/288 = -20/288 - After reducing the fraction, the answer is -5/72
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