Subtract 75/45 from 1/8, Solve 1/8 - 1 30/45 as a fraction

Subtract 75/45 from 1/8

1^st number: 1/8, 2^nd number: 1 30/45

1/8 - 75/45 is -37/24.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 45 is 360

Next, find the equivalent fraction of both fractional numbers with denominator 360
For the 1st fraction, since 8 × 45 = 360,
1/8 = 1 × 45/8 × 45 = 45/360
Likewise, for the 2nd fraction, since 45 × 8 = 360,
75/45 = 75 × 8/45 × 8 = 600/360
Subtract the two like fractions:
45/360 - 600/360 = 45 - 600/360 = -555/360
After reducing the fraction, the answer is -37/24

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