Subtract 70/54 from 98/21
1st number: 4 14/21, 2nd number: 1 16/54
98/21 - 70/54 is 91/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 21 × 18 = 378,
98/21 = 98 × 18/21 × 18 = 1764/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
70/54 = 70 × 7/54 × 7 = 490/378 - Subtract the two like fractions:
1764/378 - 490/378 = 1764 - 490/378 = 1274/378 - After reducing the fraction, the answer is 91/27
- In mixed form: 310/27
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