Subtract 14/40 from 4/45, Solve 4/45

Subtract 14/40 from 4/45

4/45 - 14/40 is -47/180.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 40 is 360

Next, find the equivalent fraction of both fractional numbers with denominator 360
For the 1st fraction, since 45 × 8 = 360,
4/45 = 4 × 8/45 × 8 = 32/360
Likewise, for the 2nd fraction, since 40 × 9 = 360,
14/40 = 14 × 9/40 × 9 = 126/360
Subtract the two like fractions:
32/360 - 126/360 = 32 - 126/360 = -94/360
After reducing the fraction, the answer is -47/180

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