Subtract 5/6 from 21/35, Solve 21/35

Subtract 5/6 from 21/35

21/35 - 5/6 is -7/30.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 6 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 35 × 6 = 210,
21/35 = 21 × 6/35 × 6 = 126/210
Likewise, for the 2nd fraction, since 6 × 35 = 210,
5/6 = 5 × 35/6 × 35 = 175/210
Subtract the two like fractions:
126/210 - 175/210 = 126 - 175/210 = -49/210
After reducing the fraction, the answer is -7/30

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