Subtract 4/8 from 30/90
30/90 - 4/8 is -1/6.
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,
30/90 = 30 × 4/90 × 4 = 120/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
4/8 = 4 × 45/8 × 45 = 180/360 - Subtract the two like fractions:
120/360 - 180/360 = 120 - 180/360 = -60/360 - After reducing the fraction, the answer is -1/6
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