Subtract 25/36 from 90/18
1st number: 5 0/18, 2nd number: 25/36
90/18 - 25/36 is 155/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
90/18 = 90 × 2/18 × 2 = 180/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
25/36 = 25 × 1/36 × 1 = 25/36 - Subtract the two like fractions:
180/36 - 25/36 = 180 - 25/36 = 155/36 - In mixed form: 411/36
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