Subtract 70/50 from 20/75
1st number: 20/75, 2nd number: 1 20/50
20/75 - 70/50 is -17/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
20/75 = 20 × 2/75 × 2 = 40/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
70/50 = 70 × 3/50 × 3 = 210/150 - Subtract the two like fractions:
40/150 - 210/150 = 40 - 210/150 = -170/150 - After reducing the fraction, the answer is -17/15
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