Subtract 21/50 from 2/10
2/10 - 21/50 is -11/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 50 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 10 × 5 = 50,
2/10 = 2 × 5/10 × 5 = 10/50 - Likewise, for the 2nd fraction, since 50 × 1 = 50,
21/50 = 21 × 1/50 × 1 = 21/50 - Subtract the two like fractions:
10/50 - 21/50 = 10 - 21/50 = -11/50
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