Subtract 21/50 from 1/3
1/3 - 21/50 is -13/150.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 3 × 50 = 150,
1/3 = 1 × 50/3 × 50 = 50/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
21/50 = 21 × 3/50 × 3 = 63/150 - Subtract the two like fractions:
50/150 - 63/150 = 50 - 63/150 = -13/150
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