Subtract 20/90 from 84/60
1st number: 1 24/60, 2nd number: 20/90
84/60 - 20/90 is 53/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
84/60 = 84 × 3/60 × 3 = 252/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
20/90 = 20 × 2/90 × 2 = 40/180 - Subtract the two like fractions:
252/180 - 40/180 = 252 - 40/180 = 212/180 - After reducing the fraction, the answer is 53/45
- In mixed form: 18/45
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