Subtract 81/48 from 28/50, Solve 28/50

Subtract 81/48 from 28/50

1^st number: 28/50, 2^nd number: 1 33/48

28/50 - 81/48 is -451/400.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 48 is 1200

Next, find the equivalent fraction of both fractional numbers with denominator 1200
For the 1st fraction, since 50 × 24 = 1200,
28/50 = 28 × 24/50 × 24 = 672/1200
Likewise, for the 2nd fraction, since 48 × 25 = 1200,
81/48 = 81 × 25/48 × 25 = 2025/1200
Subtract the two like fractions:
672/1200 - 2025/1200 = 672 - 2025/1200 = -1353/1200
After reducing the fraction, the answer is -451/400

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