Subtract 2/18 from 90/40
1st number: 2 10/40, 2nd number: 2/18
90/40 - 2/18 is 77/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 18 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
90/40 = 90 × 9/40 × 9 = 810/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
2/18 = 2 × 20/18 × 20 = 40/360 - Subtract the two like fractions:
810/360 - 40/360 = 810 - 40/360 = 770/360 - After reducing the fraction, the answer is 77/36
- In mixed form: 25/36
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