Subtract 10/84 from 90/3
1st number: 30 0/3, 2nd number: 10/84
90/3 - 10/84 is 1255/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 3 × 28 = 84,
90/3 = 90 × 28/3 × 28 = 2520/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
10/84 = 10 × 1/84 × 1 = 10/84 - Subtract the two like fractions:
2520/84 - 10/84 = 2520 - 10/84 = 2510/84 - After reducing the fraction, the answer is 1255/42
- In mixed form: 2937/42
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