Subtract 15/42 from 98/84
1st number: 1 14/84, 2nd number: 15/42
98/84 - 15/42 is 17/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
98/84 = 98 × 1/84 × 1 = 98/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
15/42 = 15 × 2/42 × 2 = 30/84 - Subtract the two like fractions:
98/84 - 30/84 = 98 - 30/84 = 68/84 - After reducing the fraction, the answer is 17/21
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