Subtract 21/45 from 6/35
6/35 - 21/45 is -31/105.
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,
6/35 = 6 × 9/35 × 9 = 54/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
21/45 = 21 × 7/45 × 7 = 147/315 - Subtract the two like fractions:
54/315 - 147/315 = 54 - 147/315 = -93/315 - After reducing the fraction, the answer is -31/105
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