Subtract 6/40 from 42/80
42/80 - 6/40 is 3/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 40 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
42/80 = 42 × 1/80 × 1 = 42/80 - Likewise, for the 2nd fraction, since 40 × 2 = 80,
6/40 = 6 × 2/40 × 2 = 12/80 - Subtract the two like fractions:
42/80 - 12/80 = 42 - 12/80 = 30/80 - After reducing the fraction, the answer is 3/8
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