Subtract 12/90 from 28/50
28/50 - 12/90 is 32/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
28/50 = 28 × 9/50 × 9 = 252/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
12/90 = 12 × 5/90 × 5 = 60/450 - Subtract the two like fractions:
252/450 - 60/450 = 252 - 60/450 = 192/450 - After reducing the fraction, the answer is 32/75
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