Subtract 40/8 from 90/50
1st number: 1 40/50, 2nd number: 5 0/8
90/50 - 40/8 is -16/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 8 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 50 × 4 = 200,
90/50 = 90 × 4/50 × 4 = 360/200 - Likewise, for the 2nd fraction, since 8 × 25 = 200,
40/8 = 40 × 25/8 × 25 = 1000/200 - Subtract the two like fractions:
360/200 - 1000/200 = 360 - 1000/200 = -640/200 - After reducing the fraction, the answer is -16/5
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