Subtract 3/40 from 40/50
40/50 - 3/40 is 29/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 40 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 50 × 4 = 200,
40/50 = 40 × 4/50 × 4 = 160/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
3/40 = 3 × 5/40 × 5 = 15/200 - Subtract the two like fractions:
160/200 - 15/200 = 160 - 15/200 = 145/200 - After reducing the fraction, the answer is 29/40
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