Subtract 70/50 from 1/90
1st number: 1/90, 2nd number: 1 20/50
1/90 - 70/50 is -25/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
1/90 = 1 × 5/90 × 5 = 5/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
70/50 = 70 × 9/50 × 9 = 630/450 - Subtract the two like fractions:
5/450 - 630/450 = 5 - 630/450 = -625/450 - After reducing the fraction, the answer is -25/18
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