Subtract 18/56 from 40/50
40/50 - 18/56 is 67/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 56 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 50 × 28 = 1400,
40/50 = 40 × 28/50 × 28 = 1120/1400 - Likewise, for the 2nd fraction, since 56 × 25 = 1400,
18/56 = 18 × 25/56 × 25 = 450/1400 - Subtract the two like fractions:
1120/1400 - 450/1400 = 1120 - 450/1400 = 670/1400 - After reducing the fraction, the answer is 67/140
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