Subtract 7/90 from 10/50
10/50 - 7/90 is 11/90.
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,
10/50 = 10 × 9/50 × 9 = 90/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
7/90 = 7 × 5/90 × 5 = 35/450 - Subtract the two like fractions:
90/450 - 35/450 = 90 - 35/450 = 55/450 - After reducing the fraction, the answer is 11/90
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