Subtract 27/35 from 4/30, Solve 4/30

Subtract 27/35 from 4/30

4/30 - 27/35 is -67/105.

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

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 30 × 7 = 210,
4/30 = 4 × 7/30 × 7 = 28/210
Likewise, for the 2nd fraction, since 35 × 6 = 210,
27/35 = 27 × 6/35 × 6 = 162/210
Subtract the two like fractions:
28/210 - 162/210 = 28 - 162/210 = -134/210
After reducing the fraction, the answer is -67/105

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