Subtract 8/4 from 6/90
1st number: 6/90, 2nd number: 2 0/4
6/90 - 8/4 is -29/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
6/90 = 6 × 2/90 × 2 = 12/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
8/4 = 8 × 45/4 × 45 = 360/180 - Subtract the two like fractions:
12/180 - 360/180 = 12 - 360/180 = -348/180 - After reducing the fraction, the answer is -29/15
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