Subtract 25/35 from 30/45
30/45 - 25/35 is -1/21.
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,
30/45 = 30 × 7/45 × 7 = 210/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
25/35 = 25 × 9/35 × 9 = 225/315 - Subtract the two like fractions:
210/315 - 225/315 = 210 - 225/315 = -15/315 - After reducing the fraction, the answer is -1/21
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