Subtract 40/20 from 6/8
1st number: 6/8, 2nd number: 2 0/20
6/8 - 40/20 is -5/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
6/8 = 6 × 5/8 × 5 = 30/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
40/20 = 40 × 2/20 × 2 = 80/40 - Subtract the two like fractions:
30/40 - 80/40 = 30 - 80/40 = -50/40 - After reducing the fraction, the answer is -5/4
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