Subtract 1/5 from 28/40
28/40 - 1/5 is 1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 5 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
28/40 = 28 × 1/40 × 1 = 28/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
1/5 = 1 × 8/5 × 8 = 8/40 - Subtract the two like fractions:
28/40 - 8/40 = 28 - 8/40 = 20/40 - After reducing the fraction, the answer is 1/2
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