Subtract 90/50 from 84/18
1st number: 4 12/18, 2nd number: 1 40/50
84/18 - 90/50 is 43/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
84/18 = 84 × 25/18 × 25 = 2100/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
90/50 = 90 × 9/50 × 9 = 810/450 - Subtract the two like fractions:
2100/450 - 810/450 = 2100 - 810/450 = 1290/450 - After reducing the fraction, the answer is 43/15
- In mixed form: 213/15
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