Subtract 5/84 from 90/75
1st number: 1 15/75, 2nd number: 5/84
90/75 - 5/84 is 479/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 75 × 28 = 2100,
90/75 = 90 × 28/75 × 28 = 2520/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
5/84 = 5 × 25/84 × 25 = 125/2100 - Subtract the two like fractions:
2520/2100 - 125/2100 = 2520 - 125/2100 = 2395/2100 - After reducing the fraction, the answer is 479/420
- In mixed form: 159/420
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