Subtract 30/45 from 5/35
5/35 - 30/45 is -11/21.
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,
5/35 = 5 × 9/35 × 9 = 45/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
30/45 = 30 × 7/45 × 7 = 210/315 - Subtract the two like fractions:
45/315 - 210/315 = 45 - 210/315 = -165/315 - After reducing the fraction, the answer is -11/21
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