Subtract 6/7 from 8/30
8/30 - 6/7 is -62/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 7 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
8/30 = 8 × 7/30 × 7 = 56/210 - Likewise, for the 2nd fraction, since 7 × 30 = 210,
6/7 = 6 × 30/7 × 30 = 180/210 - Subtract the two like fractions:
56/210 - 180/210 = 56 - 180/210 = -124/210 - After reducing the fraction, the answer is -62/105
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