Subtract 80/84 from 90/25
1st number: 3 15/25, 2nd number: 80/84
90/25 - 80/84 is 278/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 25 × 84 = 2100,
90/25 = 90 × 84/25 × 84 = 7560/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
80/84 = 80 × 25/84 × 25 = 2000/2100 - Subtract the two like fractions:
7560/2100 - 2000/2100 = 7560 - 2000/2100 = 5560/2100 - After reducing the fraction, the answer is 278/105
- In mixed form: 268/105
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