Subtract 1/90 from 84/45
1st number: 1 39/45, 2nd number: 1/90
84/45 - 1/90 is 167/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
84/45 = 84 × 2/45 × 2 = 168/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
1/90 = 1 × 1/90 × 1 = 1/90 - Subtract the two like fractions:
168/90 - 1/90 = 168 - 1/90 = 167/90 - In mixed form: 177/90
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