Subtract 84/70 from 90/25
1st number: 3 15/25, 2nd number: 1 14/70
90/25 - 84/70 is 12/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 70 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 25 × 14 = 350,
90/25 = 90 × 14/25 × 14 = 1260/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
84/70 = 84 × 5/70 × 5 = 420/350 - Subtract the two like fractions:
1260/350 - 420/350 = 1260 - 420/350 = 840/350 - After reducing the fraction, the answer is 12/5
- In mixed form: 22/5
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