Subtract 21/50 from 2/9
2/9 - 21/50 is -89/450.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 9 × 50 = 450,
2/9 = 2 × 50/9 × 50 = 100/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
21/50 = 21 × 9/50 × 9 = 189/450 - Subtract the two like fractions:
100/450 - 189/450 = 100 - 189/450 = -89/450
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