Subtract 15/21 from 98/54
1st number: 1 44/54, 2nd number: 15/21
98/54 - 15/21 is 208/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 21 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
98/54 = 98 × 7/54 × 7 = 686/378 - Likewise, for the 2nd fraction, since 21 × 18 = 378,
15/21 = 15 × 18/21 × 18 = 270/378 - Subtract the two like fractions:
686/378 - 270/378 = 686 - 270/378 = 416/378 - After reducing the fraction, the answer is 208/189
- In mixed form: 119/189
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