Subtract 21/27 from 5/35, Solve 5/35

Subtract 21/27 from 5/35

5/35 - 21/27 is -40/63.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 27 is 945

Next, find the equivalent fraction of both fractional numbers with denominator 945
For the 1st fraction, since 35 × 27 = 945,
5/35 = 5 × 27/35 × 27 = 135/945
Likewise, for the 2nd fraction, since 27 × 35 = 945,
21/27 = 21 × 35/27 × 35 = 735/945
Subtract the two like fractions:
135/945 - 735/945 = 135 - 735/945 = -600/945
After reducing the fraction, the answer is -40/63

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