Subtract 20/50 from 1/28
1/28 - 20/50 is -51/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 50 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 28 × 25 = 700,
1/28 = 1 × 25/28 × 25 = 25/700 - Likewise, for the 2nd fraction, since 50 × 14 = 700,
20/50 = 20 × 14/50 × 14 = 280/700 - Subtract the two like fractions:
25/700 - 280/700 = 25 - 280/700 = -255/700 - After reducing the fraction, the answer is -51/140
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