Subtract 21/30 from 14/35, Solve 14/35

Subtract 21/30 from 14/35

14/35 - 21/30 is -3/10.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 30 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 35 × 6 = 210,
14/35 = 14 × 6/35 × 6 = 84/210
Likewise, for the 2nd fraction, since 30 × 7 = 210,
21/30 = 21 × 7/30 × 7 = 147/210
Subtract the two like fractions:
84/210 - 147/210 = 84 - 147/210 = -63/210
After reducing the fraction, the answer is -3/10

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