Subtract 4/8 from 8/90
8/90 - 4/8 is -37/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
8/90 = 8 × 4/90 × 4 = 32/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
4/8 = 4 × 45/8 × 45 = 180/360 - Subtract the two like fractions:
32/360 - 180/360 = 32 - 180/360 = -148/360 - After reducing the fraction, the answer is -37/90
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