Subtract 18/35 from 1/45
1/45 - 18/35 is -31/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 35 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
1/45 = 1 × 7/45 × 7 = 7/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
18/35 = 18 × 9/35 × 9 = 162/315 - Subtract the two like fractions:
7/315 - 162/315 = 7 - 162/315 = -155/315 - After reducing the fraction, the answer is -31/63
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