Subtract 4/8 from 10/30
10/30 - 4/8 is -1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
10/30 = 10 × 4/30 × 4 = 40/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
4/8 = 4 × 15/8 × 15 = 60/120 - Subtract the two like fractions:
40/120 - 60/120 = 40 - 60/120 = -20/120 - After reducing the fraction, the answer is -1/6
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