Subtract 45/80 from 5/30, Solve 5/30

Subtract 45/80 from 5/30

5/30 - 45/80 is -19/48.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 30 × 8 = 240,
5/30 = 5 × 8/30 × 8 = 40/240
Likewise, for the 2nd fraction, since 80 × 3 = 240,
45/80 = 45 × 3/80 × 3 = 135/240
Subtract the two like fractions:
40/240 - 135/240 = 40 - 135/240 = -95/240
After reducing the fraction, the answer is -19/48

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