Subtract 28/30 from 4/14, Solve 4/14

Subtract 28/30 from 4/14

4/14 - 28/30 is -68/105.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 30 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 14 × 15 = 210,
4/14 = 4 × 15/14 × 15 = 60/210
Likewise, for the 2nd fraction, since 30 × 7 = 210,
28/30 = 28 × 7/30 × 7 = 196/210
Subtract the two like fractions:
60/210 - 196/210 = 60 - 196/210 = -136/210
After reducing the fraction, the answer is -68/105

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