Subtract 20/50 from 1/7
1/7 - 20/50 is -9/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 7 × 50 = 350,
1/7 = 1 × 50/7 × 50 = 50/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
20/50 = 20 × 7/50 × 7 = 140/350 - Subtract the two like fractions:
50/350 - 140/350 = 50 - 140/350 = -90/350 - After reducing the fraction, the answer is -9/35
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