Subtract 21/72 from 9/50
9/50 - 21/72 is -67/600.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 50 × 36 = 1800,
9/50 = 9 × 36/50 × 36 = 324/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
21/72 = 21 × 25/72 × 25 = 525/1800 - Subtract the two like fractions:
324/1800 - 525/1800 = 324 - 525/1800 = -201/1800 - After reducing the fraction, the answer is -67/600
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