Subtract 63/72 from 18/50
18/50 - 63/72 is -103/200.
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,
18/50 = 18 × 36/50 × 36 = 648/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
63/72 = 63 × 25/72 × 25 = 1575/1800 - Subtract the two like fractions:
648/1800 - 1575/1800 = 648 - 1575/1800 = -927/1800 - After reducing the fraction, the answer is -103/200
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