Subtract 90/80 from 18/6
1st number: 3 0/6, 2nd number: 1 10/80
18/6 - 90/80 is 15/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 6 × 40 = 240,
18/6 = 18 × 40/6 × 40 = 720/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
90/80 = 90 × 3/80 × 3 = 270/240 - Subtract the two like fractions:
720/240 - 270/240 = 720 - 270/240 = 450/240 - After reducing the fraction, the answer is 15/8
- In mixed form: 17/8
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