Subtract 3/9 from 1/72
172 - 39 is -2372.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
172 = 1 × 172 × 1 = 172 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
39 = 3 × 89 × 8 = 2472 - Subtract the two like fractions:
172 - 2472 = 1 - 2472 = -2372
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