Subtract 72/45 from 18/35
1st number: 18/35, 2nd number: 1 27/45
18/35 - 72/45 is -38/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
18/35 = 18 × 9/35 × 9 = 162/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
72/45 = 72 × 7/45 × 7 = 504/315 - Subtract the two like fractions:
162/315 - 504/315 = 162 - 504/315 = -342/315 - After reducing the fraction, the answer is -38/35
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