Subtract 21/63 from 6/35
6/35 - 21/63 is -17/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 63 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 63 × 5 = 315,
21/63 = 21 × 5/63 × 5 = 105/315 - Subtract the two like fractions:
54/315 - 105/315 = 54 - 105/315 = -51/315 - After reducing the fraction, the answer is -17/105
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