Subtract 6/10 from 4/42, Solve 4/42

Subtract 6/10 from 4/42

4/42 - 6/10 is -53/105.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 10 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 42 × 5 = 210,
4/42 = 4 × 5/42 × 5 = 20/210
Likewise, for the 2nd fraction, since 10 × 21 = 210,
6/10 = 6 × 21/10 × 21 = 126/210
Subtract the two like fractions:
20/210 - 126/210 = 20 - 126/210 = -106/210
After reducing the fraction, the answer is -53/105

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