Subtract 90/50 from 18/35
1st number: 18/35, 2nd number: 1 40/50
18/35 - 90/50 is -9/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 35 × 10 = 350,
18/35 = 18 × 10/35 × 10 = 180/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
90/50 = 90 × 7/50 × 7 = 630/350 - Subtract the two like fractions:
180/350 - 630/350 = 180 - 630/350 = -450/350 - After reducing the fraction, the answer is -9/7
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