Subtract 90/48 from 15/50, Solve 15/50

Subtract 90/48 from 15/50

1^st number: 15/50, 2^nd number: 1 42/48

15/50 - 90/48 is -63/40.

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,
15/50 = 15 × 24/50 × 24 = 360/1200
Likewise, for the 2nd fraction, since 48 × 25 = 1200,
90/48 = 90 × 25/48 × 25 = 2250/1200
Subtract the two like fractions:
360/1200 - 2250/1200 = 360 - 2250/1200 = -1890/1200
After reducing the fraction, the answer is -63/40

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