Subtract 10/18 from 1/72
1/72 - 10/18 is -13/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
1/72 = 1 × 1/72 × 1 = 1/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
10/18 = 10 × 4/18 × 4 = 40/72 - Subtract the two like fractions:
1/72 - 40/72 = 1 - 40/72 = -39/72 - After reducing the fraction, the answer is -13/24
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