Subtract 75/72 from 1/18
1st number: 1/18, 2nd number: 1 3/72
1/18 - 75/72 is -71/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
1/18 = 1 × 4/18 × 4 = 4/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
75/72 = 75 × 1/72 × 1 = 75/72 - Subtract the two like fractions:
4/72 - 75/72 = 4 - 75/72 = -71/72
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