Subtract 12/9 from 21/50
1st number: 21/50, 2nd number: 1 3/9
21/50 - 12/9 is -137/150.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 9 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
21/50 = 21 × 9/50 × 9 = 189/450 - Likewise, for the 2nd fraction, since 9 × 50 = 450,
12/9 = 12 × 50/9 × 50 = 600/450 - Subtract the two like fractions:
189/450 - 600/450 = 189 - 600/450 = -411/450 - After reducing the fraction, the answer is -137/150
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