Subtract 63/42 from 25/50, Solve 25/50

Subtract 63/42 from 25/50

1^st number: 25/50, 2^nd number: 1 21/42

25/50 - 63/42 is -1/1.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 42 is 1050

Next, find the equivalent fraction of both fractional numbers with denominator 1050
For the 1st fraction, since 50 × 21 = 1050,
25/50 = 25 × 21/50 × 21 = 525/1050
Likewise, for the 2nd fraction, since 42 × 25 = 1050,
63/42 = 63 × 25/42 × 25 = 1575/1050
Subtract the two like fractions:
525/1050 - 1575/1050 = 525 - 1575/1050 = -1050/1050
After reducing the fraction, the answer is -1/1

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