Subtract 84/90 from 36/12
1st number: 3 0/12, 2nd number: 84/90
36/12 - 84/90 is 31/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
36/12 = 36 × 15/12 × 15 = 540/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
84/90 = 84 × 2/90 × 2 = 168/180 - Subtract the two like fractions:
540/180 - 168/180 = 540 - 168/180 = 372/180 - After reducing the fraction, the answer is 31/15
- In mixed form: 21/15
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